Revert D34604066: [PyTorch] [Model Tracer] Use c10::Synchronized<T> for build features tracer
Test Plan: revert-hammer
Differential Revision:
D34604066 (https://github.com/pytorch/pytorch/commit/54cc1d465c58d2a4321834b898eb1ab051df350d)
Original commit changeset: 29c5c23264f7
Original Phabricator Diff: D34604066 (https://github.com/pytorch/pytorch/commit/54cc1d465c58d2a4321834b898eb1ab051df350d)
fbshipit-source-id: bbc1da23fd96ffc281f8cb5233673adc7a7acb1e
(cherry picked from commit dc4ed90c17d0ceb3ec5dd1322d3825ff08b583e0)
