Add OpInfo for `torch.nn.functional.gaussian_nll_loss` (#67356)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/67356
Test Plan: Imported from OSS
Reviewed By: mruberry
Differential Revision: D31970077
Pulled By: ejguan
fbshipit-source-id: 91bd9c5202b49f79ef83795196c2773fbe8a9afd
