[pytorch] sort the output of the model_dump util (#62485)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/62485
Make it easier to browse the code section by sorting the files by name.
Test Plan: Imported from OSS
Reviewed By: dhruvbird, malfet
Differential Revision: D30016245
Pulled By: ljk53
fbshipit-source-id: c9cb3c1ad9bcaa5337a6ad5c575ac0c240751f6c
