pytorch

f36f3cce - Simplify layer_norm_op_test

Simplify layer_norm_op_test Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/16570 Reviewed By: ezyang Differential Revision: D13883913 fbshipit-source-id: 7437d3cbc00c0de92bb01562c620cb658aa9f0d3