Add quantized backend dependencies placeholder.

[shoumikhin]

Summary:
bypass-github-export-checks
overriding_review_checks_triggers_an_audit_and_retroactive_review
Oncall Short Name: executorch

Differential Revision: D55299528

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/2641

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❌ 4 New Failures, 1 Unrelated Failure

As of commit e6f010c with merge base cd53f29 ():

NEW FAILURES - The following jobs have failed:

• pull / test-llama-runner-linux (fp16, buck2) / linux-job (gh)
  RuntimeError: Command docker exec -t 48093b32ce265c6464aea582accd318acfa7aaefd4e7619309dc5c98a24769df /exec failed with exit code 2
• pull / test-llama-runner-linux (fp16, cmake) / linux-job (gh)
  RuntimeError: Command docker exec -t 617328e58bef383bb1bcb136e89b58acf55ad8c48fcf13af1a98a79697e8dec9 /exec failed with exit code 2
• pull / test-llama-runner-linux (fp32, buck2) / linux-job (gh)
  RuntimeError: Failed to compile /tmp/tmp2lurvu60/data.json to /tmp/tmp2lurvu60/data.pte. Set ET_EXIR_SAVE_FLATC_INPUTS_ON_FAILURE=1 to save input files on failure.
• pull / test-llama-runner-linux (fp32, cmake) / linux-job (gh)
  RuntimeError: Failed to compile /tmp/tmpad8lmauw/data.json to /tmp/tmpad8lmauw/data.pte. Set ET_EXIR_SAVE_FLATC_INPUTS_ON_FAILURE=1 to save input files on failure.

BROKEN TRUNK - The following job failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

• pull / unittest / macos (buck2) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 5

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This pull request was exported from Phabricator. Differential Revision: D55299528

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D55299528

[facebook-github-bot]

This pull request has been merged in be43255.