docs: private void resetInternal() {
      mTransitionState = TRANSITION_NONE;
      Arrays.fill(mStartAlphas, mDefaultLayerAlpha);
      mStartAlphas[0] = 255;
      Arrays.fill(mAlphas, mDefaultLayerAlpha);
      mAlphas[0] = 255;
      Arrays.fill(mIsLayerOn, mDefaultLayerIsOn);
      mIsLayerOn[0] = true;
    }