Qualcomm AI Engine Direct - Merge the two pybind libraries into a single library

[shewu-quic]

Summary:

• Prevent dynamic_cast failures caused by separate typeinfo in each library with clang.

cc: @haowhsu-quic

[pytorch-bot]

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❌ 1 New Failure, 1 Cancelled Job, 1 Unrelated Failure

As of commit fffb232 with merge base ee236cb ():

NEW FAILURE - The following job has failed:

• trunk / test-llama-runner-qnn-linux (fp32, qnn_8a8w, qnn) / linux-job (gh)
  RuntimeError: Command docker exec -t d5858bf339effc8a64630d482a83cea3ddc8d201a67433dabd35f04b749f32a2 /exec failed with exit code 1

CANCELLED JOB - The following job was cancelled. Please retry:

• trunk / test-models-macos-cpu (mobilebert, xnnpack-quantization-delegation) / macos-job (gh)
  ##[error]The operation was canceled.

UNSTABLE - The following job is marked as unstable, possibly due to flakiness on trunk:

• pull / android / run-emulator (gh) (#16137)
  Timeout waiting for emulator to boot.

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[shewu-quic]

Hi @cccclai
This PR addresses the dynamic_cast failure encountered with clang in this issue #15734
I will split Qualcomm AI Engine Direct - Support PARSeq in floating point precision into a few PRs.

Could you take a look at this when you have a moment?

Thanks

[shewu-quic]

@pytorchbot label "release notes: qualcomm"

[cccclai]

It seems like a pretty big change and I just recently disable qnn pybind test #15949. Let's make sure it passes internal test and the qnn related CI..

[meta-codesync]

@cccclai has imported this pull request. If you are a Meta employee, you can view this in D88963737.