[quant][graphmode][fx] Add support for conv module (#43285)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/43285
Porting op tests from test_quantize_jit.py
(Note: this ignores all push blocking failures!)
Test Plan:
TestQuantizeFxOps
Imported from OSS
Reviewed By: vkuzo
Differential Revision: D23221733
fbshipit-source-id: c1f0f7ae0c82379143aa33fc1af7284d8303174b
