BatchNorm2D (#61012)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/61012
Test Plan: Imported from OSS
Reviewed By: jamesr66a
Differential Revision: D29562337
Pulled By: migeed-z
fbshipit-source-id: 2b848d0af607bd4f36cea2436ab2278ac4bc28d7
