[Profiler] Make `name` a property. (#85720)
This is just a quality of life change. `.name` is 30% fewer characters than `.name()`. I should have done this from the start.
Differential Revision: [D39788873](https://our.internmc.facebook.com/intern/diff/D39788873/)
Pull Request resolved: https://github.com/pytorch/pytorch/pull/85720
Approved by: https://github.com/chaekit
