private AnimatedDrawableUtil getAnimatedDrawableUtil() {
    if (mAnimatedDrawableUtil == null) {
      mAnimatedDrawableUtil = new AnimatedDrawableUtil();
    }
    return mAnimatedDrawableUtil;
  }
{@link AnimatedFactory} for animations v2 that creates {@link AnimatedDrawable2} drawables.
animated-base/src/main/java/com/facebook/fresco/animation/factory/AnimatedFactoryV2Impl.java