Arm backend: Raise quantization testing thresholds

[AdrianLundell]

Raises frobenius norm and cosine similarity thresholds for comparison ops and 8aw4 ops. These type of ops will always have potentially large diffs from the original model for random inputs when quantized and they have been causing flaky test failures.

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

[pytorch-bot]

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❌ 8 New Failures, 4 Pending

As of commit 76678cd with merge base 1bc2c4e ():

NEW FAILURES - The following jobs have failed:

• pull / test-mediatek-models-linux / linux-job (gh)
  RuntimeError: Command docker exec -t 519fc961b9cb8ba1237076f8ad4736ef9f0de8fca0699f7c140fbebda39b0b70 /exec failed with exit code 2
• pull / test-openvino-linux / linux-job (gh)
  RuntimeError: Command docker exec -t 39ef2b7cd0fff076912caa1920883dfefdd549e8b98822a04feb9a146442d2e3 /exec failed with exit code 1
• pull / test-samsung-models-linux / linux-job (gh)
  RuntimeError: Command docker exec -t c0e10fb3e0010b070bb56b752253f38a12e1a1f069f363a05ca3051aeadec7e5 /exec failed with exit code 1
• pull / test-samsung-quantmodels-linux / linux-job (gh)
  RuntimeError: Command docker exec -t cc5058081cc7599bdd0b90871dfb51b161fab7912495b8f3d369df275c3e4e9e /exec failed with exit code 1
• pull / unittest-arm-backend-with-no-deps (test_pytest_models_tosa) / linux-job (gh)
  RuntimeError: Command docker exec -t 44ae0f7d158d0f526a4edb6b7a7e478d804abd8d85d7dfb35537643667346043 /exec failed with exit code 1
• pull / unittest-buck / linux / linux-job (gh)
  RuntimeError: Command docker exec -t 5bb81e67bfd9e13cdc89b0d19c9bfcda654971c3de83b7c408222360b2d8b3a9 /exec failed with exit code 3
• pull / unittest-buck / macos / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 3
• trunk / test-mcu-cortex-m-backend / linux-job (gh)
  RuntimeError: Command docker exec -t e178def79173ffa821e6134bf31f9d320bc6cf6dde189f20d13151e77c0e82a9 /exec failed with exit code 1

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[AdrianLundell]

Fails unrelated