explicitly provide memory format when calling to *_like operators
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/29387
Test Plan: Imported from OSS
Differential Revision: D18429729
Pulled By: VitalyFedyunin
fbshipit-source-id: c71264ed5d64ed7e5d8ea907413b6b8e7b67769a
