Back out "Revert D20147487: Refactor jit::Operator to more clearly distinguish the two possible states" (#36634)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/36634
Original commit changeset: e69432dc3d03
ghstack-source-id: 102163937
Test Plan: waitforsandcastle
Differential Revision: D21023952
fbshipit-source-id: d1bad395cb0b4eda91a5d815291ac9b7bdb04573
