[xnn update prep] Update ET Pthreadpool third-party to google

[mcr229]

No description provided.

[mcr229]

Stack from ghstack (oldest at bottom):

• Update XNNPACK to CMake Fix #11856
• -> [xnn update prep] Update ET Pthreadpool third-party to google #11507
• [xnn update prep] deprecate sdpa #11506

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/11507

• 📄 Preview Python docs built from this PR

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❌ 7 New Failures

As of commit d9bd2d6 with merge base 1af16cd ():

NEW FAILURES - The following jobs have failed:

• Lint / lintrunner / linux-job (gh)
  RuntimeError: Command docker exec -t 73702e87512cebbae552b6d949a9fa002f2f5a527ed7c9def4c7ea2d084d45c0 /exec failed with exit code 127
• pull / test-moshi-linux / linux-job (gh)
  test_exported_decoder_xnnpack
• pull / unittest-buck / macos / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1
• trunk / test-custom-ops-macos (cmake) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1
• trunk / test-llama-runner-mac (fp32, coreml) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1
• trunk / test-models-macos (emformer_join, xnnpack-quantization-delegation) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1
• trunk / test-models-macos (w2l, xnnpack-quantization-delegation) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1

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[digantdesai]

I guess a drop in replacement?