pytorch

c6f1bbc0 - promote torch.testing to stable (#73348)

promote torch.testing to stable (#73348) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/73348 Test Plan: Imported from OSS Reviewed By: mrshenli Differential Revision: D34457727 Pulled By: mruberry fbshipit-source-id: 2cc812b643e0d1e753bead2751ee79b3f03fde20 (cherry picked from commit bcdaca1a019a679b8b274e2fb5f19bfd08874ce9)