Hide set_enabled since it's not public facing. (#58078)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/58078
Test Plan: Imported from OSS
Reviewed By: albanD
Differential Revision: D28362048
Pulled By: ailzhang
fbshipit-source-id: 4c78a7c58860ec4963bc8d05d133ea26e47dcf00
