@Override
              public void onIntermediateResult(int frameNumber, Bitmap bitmap) {
                // Don't care.
              }
Decode a WebP into a CloseableImage.

@param encodedImage encoded image (native byte array holding the encoded bytes and meta data)
@param options the options for the decode
@param bitmapConfig the Bitmap.Config used to generate the output bitmaps
@return a {@link CloseableImage} for the WebP image
animated-base/src/main/java/com/facebook/imagepipeline/animated/factory/AnimatedImageFactoryImpl.java