public final void cancelInDoubleTapMode() {
            mHandler.removeCallbacks(mRunnable);
            isDoubleTapping = false;
            if (controls != null)
                controls.onDoubleTapFinished();
        }
Cancels double tap mode instantly by calling [PlayerDoubleTapListener.onDoubleTapFinished]
app/src/main/java/com/brouken/player/dtpv/DoubleTapPlayerView.java