unique_consecutive: rebase with enabling kBFloat16

[daisyden]

To fix the unique issues in https://github.com/intel/torch-xpu-ops/issues/922.

test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_consecutive_xpu_bfloat16 PASSED [ 4%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_consecutive_xpu_bool PASSED [ 8%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_consecutive_xpu_float16 PASSED [ 13%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_consecutive_xpu_float32 PASSED [ 17%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_consecutive_xpu_float64 PASSED [ 21%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_consecutive_xpu_int16 PASSED [ 26%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_consecutive_xpu_int32 PASSED [ 30%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_consecutive_xpu_int64 PASSED [ 34%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_consecutive_xpu_int8 PASSED [ 39%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_consecutive_xpu_uint8 PASSED [ 43%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_xpu_bfloat16 PASSED [ 47%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_xpu_bool PASSED [ 52%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_xpu_float16 PASSED [ 56%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_xpu_float32 PASSED [ 60%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_xpu_float64 PASSED [ 65%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_xpu_int16 PASSED [ 69%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_xpu_int32 PASSED [ 73%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_xpu_int64 PASSED [ 78%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_xpu_int8 PASSED [ 82%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_xpu_uint16 PASSED [ 86%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_xpu_uint32 PASSED [ 91%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_xpu_uint64 PASSED [ 95%] test_meta_xpu.py::TestMetaXPU::test_dispatch_meta_outplace_unique_xpu_uint8 PASSED [100%]