Adding information how to control randomness with DataLoader (#45749)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/45749
Test Plan: Imported from OSS
Reviewed By: albanD
Differential Revision: D24088407
Pulled By: VitalyFedyunin
fbshipit-source-id: 398b73ec5e8c83000ebc692001da847fc0aaa48f
