[quant][graphmodel] linear_relu (#40021)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/40021
This replaces #36889 due to significant merge conflicts
Test Plan: Imported from OSS
Differential Revision: D22087061
Pulled By: z-a-f
fbshipit-source-id: 6a65cdd3c0c0c957968a9d017902fb6d03b58150
