message: Modify ResetVariableTensor() to reset all the subgraphs' vectors instead of just the primary subgraph's.
diff: @@ -308,7 +308,10 @@ TfLiteStatus Interpreter::AddTensors(int tensors_to_add,
  }
  TfLiteStatus Interpreter::ResetVariableTensors() {
  - return primary_subgraph().ResetVariableTensors();
  + for (auto& subgraph : subgraphs_) {
  + TF_LITE_ENSURE_STATUS(subgraph->ResetVariableTensors());
  + }
  + return kTfLiteOk;
  }
  TfLiteStatus Interpreter::SetTensorParametersReadOnly(
  