[Profiler][Trivial] Make `test/profiler` folder. (#84273)
The first step to improving profiler test coverage is to improve the test structure and organization. This PR just pulls the tests into a dedicated folder.
Differential Revision: [D39108645](https://our.internmc.facebook.com/intern/diff/D39108645/)
**NOTE FOR REVIEWERS**: This PR has internal Facebook specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D39108645/)!
Pull Request resolved: https://github.com/pytorch/pytorch/pull/84273
Approved by: https://github.com/slgong-fb
