Moves more tests to TestTorchDeviceType (#26435)
Summary:
- Moves all ROCm-requiring test_torch tests to TestTorchDeviceType
- Moves test_stft and test_lu from test_cuda
- Moves many CUDA-only test_torch tests to TestTorchDeviceType
- Combines several test_torch CPU tests with their CUDA variants
Pull Request resolved: https://github.com/pytorch/pytorch/pull/26435
Differential Revision: D17470469
Pulled By: mruberry
fbshipit-source-id: 90bb7fc09465c53eb2ab8da52eb2c2509775c16f
