Revert "[quant] Remove nn.quantized.ReLU module and nn.quantized.functional.relu (#47415)" (#47949)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/47949
This reverts commit 1478e5ec2aa42b2a9742257642c7c1d3203d7309.
Test Plan: Imported from OSS
Reviewed By: supriyar
Differential Revision: D24966363
Pulled By: vkuzo
fbshipit-source-id: ca1126f699eef84027a15df35962728296c8a790
