Merge "Fix NPE when view doesn't have a parent"

    private static float getCommonTop(View view) {

        float y = view.getTop();

        ViewGroup parent = (ViewGroup) view.getParent();

        while (!(parent instanceof StatusBarWindowView)) {

        while (!(parent instanceof StatusBarWindowView) && parent != null) {

            y += parent.getY();

            parent = (ViewGroup) parent.getParent();

        }