overlay: fix bt and usb tethering regexs

    <string-array name="config_tether_usb_regexs">

        <item>"rndis\\d"</item>

        <item>"usb\\d"</item>

    </string-array>

    <string-array name="config_tether_wifi_regexs">

         bluetooth interfaces.  If the device doesn't want to support tethering over bluetooth this

         should be empty. -->

    <string-array translatable="false" name="config_tether_bluetooth_regexs">

        <item>"bnep\\d"</item>

        <item>"bt-pan"</item>

        <item>"bt-dun"</item>

    </string-array>

    <!-- Indicate whether closing the lid causes the device to go to sleep and opening