Qualcomm AI Engine Direct - Fix MobilenetV3 and Stack Layout Transform

[pytorchbot]

Summary

• Resolve Mainline Issue: help:An error occurs when exporting YOLOv9 to QNN format. #16616 (comment)
• Fix MobileNetV3 Accuracy Issue
• Support drawing pydot graph so we can draw LLM models. SVG will stuck when drawing LLM models.

Test plan

UT added.

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/16819

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❌ 9 New Failures, 2 Cancelled Jobs

As of commit 04bbeac with merge base 7492d0d ():

NEW FAILURES - The following jobs have failed:

• pull / test-lora-linux / linux-job (gh)
  RuntimeError: Command docker exec -t e7e6e0c861021884ee7696854fdf3f61a743273cc428ffda2f4cee4305c81793 /exec failed with exit code 1
• pull / test-samsung-quantmodels-linux / linux-job (gh)
  RuntimeError: Command docker exec -t 33b126665a29e499d9a8ffcdda39ccdf9fdf28cdf48c1a5315f4d35c34b7dd42 /exec failed with exit code 1
• Test CUDA Builds / test-model-cuda-e2e (mistralai, Voxtral-Mini-3B-2507, quantized-int4-tile-packed) / linux-job (gh)
  RuntimeError: Command docker exec -t 8b6463667577bde0029fc840196cbff0b03b70a1a84ce6074751613f6de37792 /exec failed with exit code 1
• Test CUDA Builds / test-model-cuda-e2e (openai, whisper-large-v3-turbo, non-quantized) / linux-job (gh)
  RuntimeError: Command docker exec -t 19a3ba42559b4147c5e32cabe7a6e88f26690cbff5e0d7543d1650b8419bbc1f /exec failed with exit code 1
• Test CUDA Builds / test-model-cuda-e2e (openai, whisper-large-v3-turbo, quantized-int4-tile-packed) / linux-job (gh)
  RuntimeError: Command docker exec -t c8c0368213420968cbb0d9388e0303ca78752345bd31655ec95c1ee41666705f /exec failed with exit code 1
• Test CUDA Builds / test-model-cuda-e2e (openai, whisper-large-v3-turbo, quantized-int4-weight-only) / linux-job (gh)
  RuntimeError: Command docker exec -t d118a07123f89ad42e7dbf0bc58097c75687a720f49e0e3d2a7a525a0727e891 /exec failed with exit code 1
• Test CUDA Builds / test-model-cuda-e2e (openai, whisper-small, non-quantized) / linux-job (gh)
  RuntimeError: Command docker exec -t 3efaab550eba8ba7baa483a97d673c015fe971e881138bd3e7a19bfffa912bbb /exec failed with exit code 1
• Test CUDA Builds / test-model-cuda-e2e (openai, whisper-small, quantized-int4-tile-packed) / linux-job (gh)
  RuntimeError: Command docker exec -t e52517996051ec08540c2f43aeac26e2c747568fc7c0205456ead25b7ed49ad0 /exec failed with exit code 1
• Test CUDA Builds / test-model-cuda-e2e (openai, whisper-small, quantized-int4-weight-only) / linux-job (gh)
  RuntimeError: Command docker exec -t c70b75882d43e87e789d9d23edba11b5f4980d27203a025361748370cda94923 /exec failed with exit code 1

CANCELLED JOBS - The following jobs were cancelled. Please retry:

• pull / unittest / macos / macos-job (gh)
  ##[error]The operation was canceled.
• pull / unittest-editable / macos / macos-job (gh)
  ##[error]The operation was canceled.

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