pytorch

ece15f69 - [DataLoader] Change Decoder signature and add MatHandler (#57391)

[DataLoader] Change Decoder signature and add MatHandler (#57391) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/57391 Test Plan: Imported from OSS Reviewed By: ngimel Differential Revision: D28151601 Pulled By: ejguan fbshipit-source-id: 34814197d2f068cab0c7ca2330152ad588eb1ef0