Enable inplace relu fusion for training (#33105)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/33105
Support inplace relu for Conv+BN+Relu fusion during training.
ghstack-source-id: 97944659
Test Plan: buck test caffe2/test:quantization -- 'test_fuse_module_train \(test_quantization\.FusionTest\)' --print-passing-details
Differential Revision: D19795221
fbshipit-source-id: 056dc06050d145750c4d0044c0fc1c3febcfdafc
