[WIP] Mimi: export with streaming

[iseeyuan]

Summary

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Test plan

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[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/10044

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❌ 3 New Failures

As of commit 4b330ac with merge base a1af1ff ():

NEW FAILURES - The following jobs have failed:

• Check Labels / Check labels (gh)
  RuntimeError: Error checking labels: PR does not have required labels
• Lint / lintrunner / linux-job (gh)
  >>> Lint for examples/models/moshi/mimi/test_mimi.py:
• pull / unittest-arm / linux-job (gh)
  RuntimeError: Command docker exec -t f5fd892c7fe9a5d660ed44b0e9fcc7542277e29bd19b4be1475a3faf00e7f40d /exec failed with exit code 1

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[github-actions]

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