message: Fixed add bias transformation.
  Added check for convolution with dynamic weights.
diff: @@ -48,6 +48,11 @@ class AddBias : public NodeTransformation {
  public:
  TransformResult ApplyToNode(Node* node, GraphFloat32* graph) final {
  if (node->operation.type == ToString(OperationType::CONVOLUTION_2D)) {
  + if (graph->FindInputs(node->id).size() != 1) {
  + return {TransformStatus::DECLINED,
  + "This transformation is only applicable to conv with one "
  + "runtime input."};
  + }
  auto& attr =
  absl::any_cast<Convolution2DAttributes&>(node->operation.attributes);
  return FillBias(attr.weights.shape.o, &attr.bias);
  