Qualcomm AI Engine Direct - XR model mld_a enablement (#9129)

### Summary
- make index op builder more general
- small refactor on layout_transform
- support new pattern of upsample2d

### Test plan
```bash
python backends/qualcomm/tests/test_qnn_delegate.py -k TestQNNQuantizedOperator -s $SERIAL_NO -m SM8650 -b build-android
```