Turn on non ASCII string literals serialization (#40719)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/40719
This is a follow up patch to turn on this feature in order to handle breaking
forward compatibility.
Test Plan: Imported from OSS
Reviewed By: suo
Differential Revision: D22457952
Pulled By: bzinodev
fbshipit-source-id: fac0dfed8b8b5fa2d52d342ee8cf06742959b3c5
