[Gradient Compression] Re-enable test_ddp_hook_parity_powerSGD on Gloo backend (#58882)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/58882
Re-enable this test since https://github.com/facebookincubator/gloo/pull/309 is already picked up by Gloo submodule.
ghstack-source-id: 129760436
Test Plan: waitforbuildbot
Reviewed By: agolynski
Differential Revision: D28654433
fbshipit-source-id: dfc002936e88c074be529d6024f889214130b1b9
