Arm backend: Enable per-delegate profiling in perf_monitor

[emmakujala]

Add the option for per-delegate profiling to make it easier to understand model performance that contains multiple delegate calls.

cc @digantdesai @freddan80 @per @zingo @oscarandersson8218 @mansnils @Sebastian-Larsson @robell @rascani

[pytorch-bot]

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• ✅ login: emmakujala / name: Emma Kujala (7e681e1)

[pytorch-bot]

Workflows were awaiting approval. CI has now been triggered for the ciflow labels on this PR.

[emmakujala]

@pytorchbot partner: arm

[pytorch-bot]

❌ 🤖 pytorchbot command failed:

@pytorchbot: error: argument command: invalid choice: 'partner:' (choose from 'merge', 'revert', 'rebase', 'label', 'drci', 'lint', 'fix-lint', 'apply-lint', 'cherry-pick')

usage: @pytorchbot [-h]
                   
                   {merge,revert,rebase,label,drci,lint,fix-lint,apply-lint,cherry-pick}
                   ...

Try @pytorchbot --help for more info.

[emmakujala]

@pytorchbot label "release notes:arm"

[pytorch-bot]

Didn't find following labels among repository labels: release notes:arm

[emmakujala]

@pytorchbot label "release notes: arm"

[emmakujala]

@pytorchbot label "partner: arm"