Add view_as_real, view_as_complex for complex tensors (#39099)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/39099
Test Plan: Imported from OSS
Differential Revision: D22057886
Pulled By: anjali411
fbshipit-source-id: bad5ba7097ba0dd13f2c549b2463094dee9afa14
