@MainThread
  public void pauseAnimation() {
    autoPlay = false;
    lottieDrawable.pauseAnimation();
  }
Overload of {@link #addValueCallback(KeyPath, Object, LottieValueCallback)} that takes an interface. This allows you to use a single abstract
method code block in Kotlin such as:
animationView.addValueCallback(yourKeyPath, LottieProperty.COLOR) { yourColor }
lottie/src/main/java/com/airbnb/lottie/LottieAnimationView.java