message: set use_padded_io as true for param size computation
diff: @@ -1041,7 +1041,7 @@ class CudnnRNNKernelCommon : public OpKernel {
  num_layers, h_num_units, input_size, /*cell_size=*/c_num_units,
  /*batch_size=*/0, input_mode, rnn_direction_mode(), rnn_mode(),
  ToDataType<T>::value, algo_config, dropout(), seed(),
  - /* state_allocator=*/nullptr, /*use_padded_io=*/false);
  + /* state_allocator=*/nullptr, /*use_padded_io=*/true);
  if (!rnn_desc_s.ok()) {
  return FromExecutorStatus(rnn_desc_s);
  }
  