Abstract tracer::enter and tracer::exit into a function
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/28473
Test Plan: Imported from OSS
Differential Revision: D18121007
Pulled By: jamesr66a
fbshipit-source-id: 4c4a4344ad9bcc4630b945d2a645a0b05928933c
