Insert a relu-conv-bn block after the target block.
        Args:
            target_id: A convolutional layer ID. The new block should be inserted after the block.
            new_layer: An instance of StubLayer subclasses.

def to_deeper_model(self, target_id, new_layer):
        """Insert a relu-conv-bn block after the target block.
        Args:
            target_id: A convolutional layer ID. The new block should be inserted after the block.
            new_layer: An instance of StubLayer subclasses.
        """
        self.operation_history.append(("to_deeper_model", target_id, new_layer))
        input_id = self.layer_id_to_input_node_ids[target_id][0]
        output_id = self.layer_id_to_output_node_ids[target_id][0]
        if self.weighted:
            if is_layer(new_layer, "Dense"):
                init_dense_weight(new_layer)
            elif is_layer(new_layer, "Conv"):
                init_conv_weight(new_layer)
            elif is_layer(new_layer, "BatchNormalization"):
                init_bn_weight(new_layer)

        self._insert_new_layers([new_layer], input_id, output_id)