message: Revise GPU_LAUNCH_KERNEL macro for CUDA path
  For ROCm path, a HIP runtime API which has return status code is needed.
diff: @@ -33,7 +33,8 @@ limitations under the License.
  #if GOOGLE_CUDA
  #define GPU_LAUNCH_KERNEL(kernel, block_count, threads_per_block, \
  shared_mem, stream, ...) \
  - kernel<<<block_count, threads_per_block, shared_mem, stream>>>(__VA_ARGS__);
  + TF_CHECK_OK(CudaLaunchKernel(kernel, block_count, threads_per_block, \
  + shared_mem, stream, __VA_ARGS__));
  #elif TENSORFLOW_USE_ROCM
  #define GPU_LAUNCH_KERNEL(kernel, block_count, threads_per_block, \
  shared_mem, stream, ...) \
  