Add TORCH_SELECTIVE_NAME to AMP definitions (#44711)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/44711
Signed-off-by: Edward Z. Yang <ezyang@fb.com>
Test Plan: Imported from OSS
Reviewed By: ngimel
Differential Revision: D23711425
Pulled By: ezyang
fbshipit-source-id: d4b0ef77893af80fe9b74791e66825e223ae221d
