[quant][graphmode] Quantizing traced modules (#39826)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/39826
Expanding operator test coverage to traced modules
Test Plan: Imported from OSS
Differential Revision: D21991266
fbshipit-source-id: 73b1d94caa6ad41bb0d6cbde7ba0de343da3e7ff
