Qualcomm AI Engine Direct - Support Constant Propogation

[winskuo-quic]

Summary

• Support Constant Folding through edge pass.

Test plan

pytest backends/qualcomm/tests/rework/passes/test.py -k "test_constant_propagation"

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/22867

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❌ 1 New Failure

As of commit 4c5c681 with merge base 06c5a72 ():

NEW FAILURE - The following job has failed:

• pull / test-qnn-delegate-linux / linux-job (gh)
  backends/qualcomm/tests/test_qnn_delegate.py::TestQNNQuantizedOperator::test_qnn_backend_slice_copy

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