Add new tls snapshot feature (#72623)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/72623
Test Plan: Imported from OSS
Reviewed By: samdow
Differential Revision: D34214953
Pulled By: albanD
fbshipit-source-id: 7aa5d5e3540a45a0ae70c5af3a4495c755908aa9
(cherry picked from commit dc0a1ab54a459019e4cd91b30a34adbc2e4ac5a4)
