OpInfo reference tests for `add` and `sub` (#61169)
Summary:
This PR adds OpInfo reference checks for `add, sub`. See https://github.com/pytorch/pytorch/issues/54261
cc: mruberry pmeier
Pull Request resolved: https://github.com/pytorch/pytorch/pull/61169
Reviewed By: iramazanli
Differential Revision: D29625702
Pulled By: mruberry
fbshipit-source-id: c5e536ab52865890990353c5c862b44b5a16ed20
