[torch.Package/TorchScript] ScriptModuleSerializer add unified format (#56299)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/56299
Test Plan: Imported from OSS
Reviewed By: suo
Differential Revision: D27832545
Pulled By: Lilyjjo
fbshipit-source-id: 1b2880a8458f99bd66a8c9656c5ca700f43cffe8
