Fix internal/external desync for Metal hotfix (#86061)
For some reason, the fbcode to GitHub sync landed the wrong version
of the PR. This corrects the synchronization problem, and actually
makes the Metal backend work.
Signed-off-by: Edward Z. Yang <ezyang@fb.com>
Pull Request resolved: https://github.com/pytorch/pytorch/pull/86061
Approved by: https://github.com/malfet
