Merge "Update documentation of ApnSetting with V5 example" into pi-dev am: 522a9c3e

    <!-- String containing the apn value for tethering.  May be overriden by secure settings

         TETHER_DUN_APN.  Value is a comma separated series of strings:

         "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type",

         Or string format of ApnSettingV3.

         Or string format of ApnSettingV3 or higher.

         note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"

         Multiple entries are separated by using string-array:

         "<item>[ApnSettingV3]Name,apn,,,,,,,,,123,45,,mms|*,IPV6,IP,true,14,,,,,,,spn,testspn</item>

          <item>[ApnSettingV3]Name1,apn2,,,,,,,,,123,46,,mms|*,IPV6,IP,true,12,,,,,,,,</item>" -->

          <item>[ApnSettingV5]Name1,apn2,,,,,,,,,123,46,,mms|*,IPV6,IP,true,12,,,,,,,,,,</item>" -->

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

    </string-array>