public boolean addLottieOnCompositionLoadedListener(@NonNull LottieOnCompositionLoadedListener lottieOnCompositionLoadedListener) {
    LottieComposition composition = getComposition();
    if (composition != null) {
      lottieOnCompositionLoadedListener.onCompositionLoaded(composition);
    }
    return lottieOnCompositionLoadedListeners.add(lottieOnCompositionLoadedListener);
  }
This API no longer has any effect.
lottie/src/main/java/com/airbnb/lottie/LottieAnimationView.java