message: Avoid overwriting the status of ExecuteAsyncOnStreamWrapper(...) with that
  of the following BlockHostUntilDone().
diff: @@ -99,7 +99,9 @@ StatusOr<ScopedShapedBuffer> Executable::ExecuteOnStreamWrapper(
  absl::Span<const ShapedBuffer* const> arguments) {
  StatusOr<ScopedShapedBuffer> result =
  ExecuteAsyncOnStreamWrapper(run_options, arguments);
  - TF_RETURN_IF_ERROR(run_options->stream()->BlockHostUntilDone());
  + Status block_status = run_options->stream()->BlockHostUntilDone();
  + TF_RETURN_IF_ERROR(result.status());
  + TF_RETURN_IF_ERROR(block_status);
  return result;
  }
  