Enable linear/conv + relu fusion in mobile optimizer. (#38139)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/38139
As title says.
Test Plan: mobile optimizer test.
Reviewed By: AshkanAliabadi
Differential Revision: D21479880
fbshipit-source-id: 07b47cd620ee8af4dbe3c98bd94924b159c1406f
