Add compliance suite skeleton and operator tests

[GregoryComer]

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[GregoryComer]

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[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/11955

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❌ 5 New Failures

As of commit c301640 with merge base 91c9ffa ():

NEW FAILURES - The following jobs have failed:

• Lint / lintrunner / linux-job (gh)
  >>> Lint for backends/test/operators/test_facto.py:
• pull / android / run-emulator (gh)
  The process '/usr/bin/sh' failed with exit code 255
• pull / unittest-buck / linux / linux-job (gh)
  RuntimeError: Command docker exec -t 02f99a7df7f7e03cec55bf68c9e0322a4143ea841e0744247722f22bfb3bd74a /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
• pull / unittest-editable / linux / linux-job (gh)
  backends/xnnpack/test/ops/test_conv1d.py::TestConv1d::test_qs8_conv1d_batchnorm_seq

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