Add benchmark for channel_shuffle operator (#43509)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/43509
Test Plan: Imported from OSS
Reviewed By: kimishpatel
Differential Revision: D23299972
Pulled By: kimishpatel
fbshipit-source-id: 6189d209859da5a41067eb9e8317e3bf7a0fc754
