Skip ProcessGroupGlooAyncTest if there is no CUDA available (#30345)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/30345
Skip ProcessGroupGlooAyncTest if there is no CUDA available, otherwise in sandcastle non GPU host the test will abort with failing to load CUDA library
ghstack-source-id: 94771241
Test Plan: test skipped on non GPU host
Differential Revision: D18665322
fbshipit-source-id: 8c7b89aeecc6ec007bee12d864a6058384254e61
