Enable TorchBind tests on ROCm (#45426)
Summary:
The torchbind tests didn't work be cause somehow we missed the rename of caffe2_gpu to torch_... (hip for us) in https://github.com/pytorch/pytorch/issues/20774 (merged 2019-06-13, oops) and still tried to link against it.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/45426
Reviewed By: VitalyFedyunin
Differential Revision: D24112439
Pulled By: walterddr
fbshipit-source-id: a66a574e63714728183399c543d2dafbd6c028f7
