Extend Graph, CompilationUnit, and schema matching to accept optional operator version number (#69914)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/69914
Test Plan: Imported from OSS
Reviewed By: qihqi
Differential Revision: D33198157
fbshipit-source-id: b98d9401e515f695d6cf99116f695edc7976bf01
