Arm backend: Annotate types

[perheld]

Annotate types for files in arm/operators/* and arm/tosa_*. This was done by with the tool monkeytype in combination with pytest.

Change-Id: I295e29e7adf7d7621ba9154c1cdc445d09b8c926

cc @digantdesai @freddan80 @per @zingo @oscarandersson8218

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/8723

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❌ 2 New Failures

As of commit 6ceb26c with merge base 13b5605 ():

NEW FAILURES - The following jobs have failed:

• pull / test-phi-3-mini-runner-linux / linux-job (gh)
  RuntimeError: Command docker exec -t ee593cef99b5613fee70c6a33ae8e97ac1142efb22aca2ede4455c688c045cdf /exec failed with exit code 1
• trunk / test-huggingface-transformers (allenai/OLMo-1B-hf) / linux-job (gh)
  RuntimeError: Command docker exec -t 271e318d2d183b47152063c3edd5efa1231dfaf29d9c473cc42896d3b234f8b6 /exec failed with exit code 1

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[zingo]

Fails are unrelated