enable more unit tests (#18537)
Summary:
Enable unit tests working with ROCm 2.3. In particular, these are unit tests where we skipped for double data types previously and some tests for multi-GPU setups.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/18537
Differential Revision: D14651822
Pulled By: ezyang
fbshipit-source-id: 7dd575504ebe235a91489866c91000e9754b1235
