@Override
  public boolean decodeProgressively() {
    return true;
  }
Simple {@link ProgressiveJpegConfig} with predefined scans to decode and good-enough scan number.

<p>If no specific scans to decode are provided, every scan is allowed to be decoded.
imagepipeline/src/main/java/com/facebook/imagepipeline/decoder/SimpleProgressiveJpegConfig.java