@Override
    public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent ev) {
        return handleTouchEvent(ev);
    }
We intercept the touch handling only to support fast scrolling when initiated from the
scroll bar.  Otherwise, we fall back to the default RecyclerView touch handling.
android/third_party/recyclerview-fastscroll/src/main/java/com/simplecityapps/recyclerview_fastscroll/views/FastScrollRecyclerView.java