Add a warning sign for anomaly detection (#33176) (#33239)
Summary:
Fixes [33176](https://github.com/pytorch/pytorch/issues/33176)
Pull Request resolved: https://github.com/pytorch/pytorch/pull/33239
Differential Revision: D19879847
Pulled By: albanD
fbshipit-source-id: 594b936c10f98c364331e782b64f42059413a741
