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: saketh-are
Differential Revision: D30250675
Pulled By: ngimel
fbshipit-source-id: 26e48f971d87f3b86db237e8ad3a4b74eb3c1def
