[testing] Add OpInfo for round and logit (#51272)
Summary:
Reference: https://github.com/pytorch/pytorch/issues/50006
Pull Request resolved: https://github.com/pytorch/pytorch/pull/51272
Reviewed By: ngimel
Differential Revision: D26177020
Pulled By: mruberry
fbshipit-source-id: 4728b14c7a42980c7ca231ca1946430e0e38ed5b