Re-enable Caffe2 test `RoiAlignTest.CheckCPUGPUEqual` (#40901)
Summary:
Fixes https://github.com/pytorch/pytorch/issues/35547.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/40901
Differential Revision: D22357760
Pulled By: malfet
fbshipit-source-id: 43f7dc13a905416288a9a317ae31a4dc78276ce4
