OpInfo : embedding_bag (#67252)
Summary:
Adds OpInfo for `embedding_bag`.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/67252
Reviewed By: VitalyFedyunin
Differential Revision: D32462157
Pulled By: zou3519
fbshipit-source-id: 70303349a718720c4fa47519fa94ae900e052939
