message: Add ctor with no arguments for TensorImage.
diff: @@ -48,6 +48,17 @@ public class TensorImage {
  private final ImageContainer container;
  + /**
  + * Initialize a TensorImage object.
  + *
  + * Note: The data type of this TensorImage is UINT8, which means it could naturally accept Bitmaps
  + * whose pixel value range is [0, 255]. However, any image with float value pixels will not be
  + * loaded correctly. In those cases, please use {@link TensorImage(DataType)}.
  + */
  + public TensorImage() {
  + this(DataType.UINT8);
  + }
  +
  /**
  * Initializes a TensorImage object with data type specified.
  *
  