Max Pool with indices (#64121)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/64121
Add support for aten operators which return multiple outputs
Test Plan: Imported from OSS
Reviewed By: driazati
Differential Revision: D30738142
Pulled By: eellison
fbshipit-source-id: 0d7e51187bd5e3e9b43f0fdb5178366a97aec943
