[Gradient Compression] Disable test_ddp_hook_parity_powerSGD on Gloo backend (#58802)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/58802
This test can only be re-enabled once https://github.com/facebookincubator/gloo/pull/309 is picked up by Gloo submodule.
ghstack-source-id: 129661729
Test Plan: unit test.
Reviewed By: rohan-varma
Differential Revision: D28623214
fbshipit-source-id: 0249ae816469c3e8cabd08db415821091a064d58
