Enable type check for torch.testing._internal.dist_utils.* (#44832)
Summary:
Addresses a sub-task of https://github.com/pytorch/pytorch/issues/44752.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/44832
Reviewed By: malfet
Differential Revision: D23744260
Pulled By: samestep
fbshipit-source-id: 46aede57b4fa66a770d5df382b0aea2bd6772b9b
