pytorch

b6306e15 - Revert D20624698: [pytorch][PR] Make GPU loops support mutable lambda

Revert D20624698: [pytorch][PR] Make GPU loops support mutable lambda Test Plan: revert-hammer Differential Revision: D20624698 Original commit changeset: 06e398779345 fbshipit-source-id: d17059c692b4b460f3aa8081bc80c296ddb88228