Merge "Fix dock divider going under application windows."

        int i;

        for (i = windows.size() - 1; i >= 0; --i) {

            WindowState w = windows.get(i);

            if (w.mBaseLayer <= myLayer) {

            // Dock divider shares the base layer with application windows, but we want to always

            // keep it above the application windows.

            if (w.mBaseLayer <= myLayer && w.mAttrs.type != TYPE_DOCK_DIVIDER) {

                break;

            }

        }