[quant] Enable fusion for conv modules with bias (#36173)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/36173
Previously we were ignoring the conv bias during training if it existed
This PR adds the bias from the conv op during the conv+bn fusion process
Test Plan:
python test/quantization/test_quantization.py
Imported from OSS
Differential Revision: D20921613
fbshipit-source-id: eacb2ccf9107f413ac4ef23163ba914af9b90924
