[c10d] Log API usage of monitored barrier (#55265)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/55265
Logs API usage of monitored barrier for better tracking and use case
understanding.
ghstack-source-id: 126413087
Test Plan: CI
Reviewed By: zhaojuanmao
Differential Revision: D27548433
fbshipit-source-id: 7520ad0948b8dc9d44fa3118d5ea953d52f9f1c5
