pytorch

689cd224 - Revert D34604067: [PyTorch] [Model Tracer] Use c10::Synchronized<T> for custom classes tracer

Revert D34604067: [PyTorch] [Model Tracer] Use c10::Synchronized<T> for custom classes tracer Test Plan: revert-hammer Differential Revision: D34604067 (https://github.com/pytorch/pytorch/commit/372378b18b2c01b3dedfe396438c8883ad6159c5) Original commit changeset: bd2ca366fe1b Original Phabricator Diff: D34604067 (https://github.com/pytorch/pytorch/commit/372378b18b2c01b3dedfe396438c8883ad6159c5) fbshipit-source-id: f434b5e3aee3bbe562b62f352235264d905fc59e (cherry picked from commit ca0085ea39e216266a65f014122a2642acdc0954)