Merge "Add hotspot tile to defaults" into lmp-dev

    <!-- The default tiles to display in QuickSettings -->

    <string name="quick_settings_tiles_default" translatable="false">

        wifi,bt,inversion,cell,airplane,rotation,flashlight,location,cast

        wifi,bt,inversion,cell,airplane,rotation,flashlight,location,cast,hotspot

    </string>

    <!-- The tiles to display in QuickSettings -->