OpInfo for `nn.functional.relu` (#62076)
Summary:
See https://github.com/facebookresearch/functorch/issues/78 and https://github.com/pytorch/pytorch/issues/54261.
cc: mruberry
Pull Request resolved: https://github.com/pytorch/pytorch/pull/62076
Reviewed By: soulitzer
Differential Revision: D30013262
Pulled By: zou3519
fbshipit-source-id: 7df5e930d1588146e09cf58c53c8860392da7348
