broaden retries on TestHub (#67779)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/67779
Not all flaky failures from this test are URLErrors; I think we should
err on the side of being expansive with retries here.
Test Plan: Imported from OSS
Reviewed By: jamesr66a
Differential Revision: D32145434
Pulled By: suo
fbshipit-source-id: 3c3274b2080681fcafb3ea6132e420605f65c429
