Add DataPipes Graph Functions (#61235)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/61235
Test Plan: Imported from OSS
Reviewed By: ejguan
Differential Revision: D29588834
Pulled By: VitalyFedyunin
fbshipit-source-id: e0331d6e1fc2a3f8b6211aac83965bcf13165161
