Run pytorch_core CUDA tests on GPU using TPX
Summary:
Modify contbuild to disable sanitizers, add option to run "cuda" test using TPX RE
(Note: this ignores all push blocking failures!)
Test Plan: CI
Reviewed By: walterddr, cspanda
Differential Revision: D23854578
fbshipit-source-id: 327d7cc3655c17034a6a7bc78f69967403290623
