code: public static ColorFilter adjustHue( float value )
      {
          ColorMatrix cm = new ColorMatrix();
  
          adjustHue(cm, value);
  
          return new ColorMatrixColorFilter(cm);
      }
docs: Creates a HUE adjustment ColorFilter +- 180
  http://groups.google.com/group/android-developers/browse_thread/thread/9e215c83c3819953
  http://gskinner.com/blog/archives/2007/12/colormatrix_cla.html
  @param value degrees to shift the hue.
  @return