add channels last support for ChannelShuffle (#50247)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/50247
Test Plan: Imported from OSS
Reviewed By: albanD
Differential Revision: D26007052
Pulled By: VitalyFedyunin
fbshipit-source-id: 08f737d64a65791c8002ffd56b79b02cf14d6159
