Fix custom annotation

[cccclai]

Summary: Looks like it's added in https://github.com/pytorch/executorch/pull/6849, maybe it was using the old api for the default 8bit quantization

Differential Revision: D66219251

[pytorch-bot[bot]]

:link: Helpful Links

:test_tube: See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/6978

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• [DomainsOnly] Jobs fail with GLIBC version not found

:x: 1 New Failure

As of commit e5315fec80da5dc59d4075344cdf1154c8efaa57 with merge base dcacde01d355b5f5082301edcdc9774dd3392f36 ():

NEW FAILURE - The following job has failed:

* [pull / unittest-arm / linux-job](https://hud.pytorch.org/pr/pytorch/executorch/6978#33280991049) ([gh](https://github.com/pytorch/executorch/actions/runs/11927785358/job/33280991049)) `##[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`

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[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D66219251

[shewu-quic]

Thanks for your fix. I am also preparing the PR to fix it.