public void setFrame(final int frame) {
    if (composition == null) {
      lazyCompositionTasks.add(c -> setFrame(frame));
      return;
    }

    animator.setFrame(frame);
  }
Sets the progress to the specified frame.
If the composition isn't set yet, the progress will be set to the frame when
it is.
lottie/src/main/java/com/airbnb/lottie/LottieDrawable.java