Add BFloat16 support for unique and unique_consecutive on CPU (#62559)
Summary:
Add BFloat16 support for unique and unique_consecutive on CPU.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/62559
Reviewed By: anjali411
Differential Revision: D30199482
Pulled By: ngimel
fbshipit-source-id: 6f2d9cc1a528bea7c723139a4f1b14e4b2213601
