[jit] Enable type tags in serialization (#35741)
Summary:
This enables the serialization part of this change (the deserialization stuff is already landed #33255)
Pull Request resolved: https://github.com/pytorch/pytorch/pull/35741
Pulled By: driazati
Differential Revision: D20758124
fbshipit-source-id: e2cdefa99c3bec991491e5e967e7f1661ca7ffd9
