Upgrading nnlib to latest version 4.2.0

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:test_tube: See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/6988

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[DomainsOnly] Jobs fail with GLIBC version not found

:x: 14 New Failures, 13 Unrelated Failures

As of commit 4ec3e6b722374d6c23f7bdb61ac44e81618587b9 with merge base 84222a9ef1b00663531d68457529b2fcae35df22 ():

NEW FAILURES - The following jobs have failed:

* [Build documentation / build (buck2) / Build doc](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281437622) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910593/job/33281437622)) `##[error]No files were found with the provided path: /home/ec2-user/actions-runner/_work/_temp/artifacts/. No artifacts will be uploaded.` * [Lint / lintrunner / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281438070) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910615/job/33281438070)) `>>> Lint for backends/qualcomm/quantizer/custom_annotation.py:` * [pull / test-binary-size-linux / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281440145) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281440145)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 2 ms: Couldn't connect to server` * [pull / test-custom-ops-linux / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281443607) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281443607)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 34 ms: Couldn't connect to server` * [pull / test-llama-runner-qnn-linux (fp32, qnn) / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281446185) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281446185)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 34 ms: Couldn't connect to server` * [pull / test-models-linux (buck2, mv3, portable, linux.2xlarge, 90) / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281451732) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281451732)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 35 ms: Couldn't connect to server` * [pull / test-models-linux (cmake, mv3, xnnpack-quantization-delegation, linux.2xlarge, 90) / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281452163) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281452163)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 24 ms: Couldn't connect to server` * [pull / test-models-linux (cmake, vit, portable, linux.2xlarge, 90) / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281453017) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281453017)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 34 ms: Couldn't connect to server` * [pull / test-quantized-aot-lib-linux / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281447298) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281447298)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 34 ms: Couldn't connect to server` * [pull / test-selective-build-linux / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281447575) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281447575)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 34 ms: Couldn't connect to server` * [pull / test-setup-linux-gcc / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281447865) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281447865)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 25 ms: Couldn't connect to server` * [pull / unittest / linux / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281448125) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281448125)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 34 ms: Couldn't connect to server` * [pull / unittest / macos / macos-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281448472) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281448472)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 36 ms: Couldn't connect to server` * [pull / unittest-arm / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281439560) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281439560)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 34 ms: Couldn't connect to server`

FLAKY - The following jobs failed but were likely due to flakiness present on trunk:

* [pull / test-llama-runner-linux (fp32, portable) / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281444945) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281444945)) ([similar failure](https://hud.pytorch.org/pytorch/executorch/commit/4ec3e6b722374d6c23f7bdb61ac44e81618587b9#33281444316)) `##[error]No files were found with the provided path: /home/ec2-user/actions-runner/_work/_temp/artifacts/. No artifacts will be uploaded.` * [pull / test-llama-runner-linux (fp32, xnnpack+custom+qe) / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281445590) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281445590)) ([similar failure](https://hud.pytorch.org/pytorch/executorch/commit/4ec3e6b722374d6c23f7bdb61ac44e81618587b9#33281444945)) `##[error]No files were found with the provided path: /home/ec2-user/actions-runner/_work/_temp/artifacts/. No artifacts will be uploaded.` * [pull / test-llama-runner-linux-android / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281445897) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281445897)) ([similar failure](https://hud.pytorch.org/pytorch/executorch/commit/4ec3e6b722374d6c23f7bdb61ac44e81618587b9#33281452693)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 4 ms: Couldn't connect to server` * [pull / test-models-linux (buck2, mv3, xnnpack-quantization-delegation, linux.2xlarge, 90) / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281452693) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281452693)) ([similar failure](https://hud.pytorch.org/pytorch/executorch/commit/4ec3e6b722374d6c23f7bdb61ac44e81618587b9#33281440802)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 4 ms: Couldn't connect to server` * [pull / test-phi-3-mini-runner-linux / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281446724) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281446724)) ([similar failure](https://hud.pytorch.org/pytorch/executorch/commit/4ec3e6b722374d6c23f7bdb61ac44e81618587b9#33281441233)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 1 ms: Couldn't connect to server` * [pull / test-pybind-build-linux / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281447016) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281447016)) ([similar failure](https://hud.pytorch.org/pytorch/executorch/commit/4ec3e6b722374d6c23f7bdb61ac44e81618587b9#33281446724)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 1 ms: Couldn't connect to server`

BROKEN TRUNK - The following jobs failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

* [pull / test-binary-size-linux-gcc / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281440802) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281440802)) ([trunk failure](https://hud.pytorch.org/pytorch/executorch/commit/84222a9ef1b00663531d68457529b2fcae35df22#33280134205)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 4 ms: Couldn't connect to server` * [pull / test-eval_llama-mmlu-linux / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281441233) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281441233)) ([trunk failure](https://hud.pytorch.org/pytorch/executorch/commit/84222a9ef1b00663531d68457529b2fcae35df22#33280141278)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 1 ms: Couldn't connect to server` * [pull / test-eval_llama-wikitext-linux / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281442194) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281442194)) ([trunk failure](https://hud.pytorch.org/pytorch/executorch/commit/84222a9ef1b00663531d68457529b2fcae35df22#33280137468)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 1 ms: Couldn't connect to server` * [pull / test-llama_runner_eager-linux / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281444043) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281444043)) ([trunk failure](https://hud.pytorch.org/pytorch/executorch/commit/84222a9ef1b00663531d68457529b2fcae35df22#33280141592)) `##[error]fatal: unable to access 'https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/': Failed to connect to git.mlplatform.org port 443 after 1 ms: Couldn't connect to server` * [pull / test-llama-runner-linux (bf16, custom) / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281444316) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281444316)) ([trunk failure](https://hud.pytorch.org/pytorch/executorch/commit/84222a9ef1b00663531d68457529b2fcae35df22#33280139229)) `##[error]No files were found with the provided path: /home/ec2-user/actions-runner/_work/_temp/artifacts/. No artifacts will be uploaded.` * [pull / test-llama-runner-linux (bf16, portable) / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281444647) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281444647)) ([trunk failure](https://hud.pytorch.org/pytorch/executorch/commit/84222a9ef1b00663531d68457529b2fcae35df22#33280139750)) `##[error]No files were found with the provided path: /home/ec2-user/actions-runner/_work/_temp/artifacts/. No artifacts will be uploaded.` * [pull / test-llama-runner-linux (fp32, xnnpack+custom) / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6988#33281445229) ([gh](https://github.com/pytorch/executorch/actions/runs/11939910653/job/33281445229)) ([trunk failure](https://hud.pytorch.org/pytorch/executorch/commit/84222a9ef1b00663531d68457529b2fcae35df22#33280140426)) `##[error]No files were found with the provided path: /home/ec2-user/actions-runner/_work/_temp/artifacts/. No artifacts will be uploaded.`

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