Refactor QAT Conv module for better extensibility (#30362)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/30362
Right now the qat modules(qat.ConvBn2d, qat.ConvBnReLU2d, qat.Conv2d)
are not convinent to support other dimensions of Conv, this PR refactors
these modules so that we can support Conv1d/Conv3d better
Test Plan:
python test/test_quantization.py
Imported from OSS
Differential Revision: D18691152
fbshipit-source-id: 5b561e6b054eadd31b98cabdf1ac67a61ee9b805
