ArmQuantizer: quantize dropout with SharedQuantizationSpec

[oscarandersson8218]

• Quantize Dropout with a SharedQuantizationSpec.
• Use ArmQuantizer for MobileNetV2 unittests.

[pytorch-bot[bot]]

:link: Helpful Links

:test_tube: See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/3633

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:x: 1 New Failure

As of commit 0907a54538300f79d4e2df603e81a7ef370c4b0f with merge base 705ac963971cd125846aa7444e5b92544f003953 ():

NEW FAILURE - The following job has failed:

• trunk / test-coreml-delegate / macos-job (gh) RuntimeError: Command bash /Users/runner/work/_temp/exec_script failed with exit code 1

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@digantdesai has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

[digantdesai]

rebase please? There is a merge conflict, thanks.

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@digantdesai has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

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@digantdesai merged this pull request in pytorch/executorch@1681837086600f926c76c77589961fb3ad0456a4.