[quant] Fusion support for conv1d + ReLU (#38438)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/38438
Fusion for PTQ flow in eager mode. Graph mode to follow
Test Plan:
python test/test_quantization.py TestFusion
Imported from OSS
Differential Revision: D21575920
fbshipit-source-id: 5bac6602520f42ae3f4957d1a55e6a863daa0257
