message: Update comment about PrepareTensorForShape().
diff: @@ -494,7 +494,8 @@ class Converter {
  const std::vector<int>& order_with_batch_dim,
  const nvinfer1::ITensor** output_tensor);
  - // Converts 'input' into 'tensor' with shape specified by 'dims'.
  + // Converts 'input' into 'tensor' with shape specified by 'dims' (which
  + // doesn't contain the batch dimension).
  //
  // If validation_only is true, it doesn't do the conversion but only do some
  // minimum validation for the eligibility of the conversion, and *tensor will
  