apns: Add new Virgin Mobile apn

https://community.virginmedia.com/t5/Virgin-Mobile/New-Purple-Virgin-Mobile-SIM-and-need-the-APN-settings-for-data/td-p/3597569

BUGBASH-2269

Change-Id: I177e04f982a9c6669a39638e376598bde0601f7e
(cherry picked from commit e9b4abc428888aa1d32419e99d7b1d0f94470574)

prebuilt/common/etc/apns-conf.xml

@@ -662,6 +662,7 @@
   <apn carrier="EE Internet" mcc="234" mnc="34" apn="everywhere" user="eesecure" password="secure" authtype="1" type="default,supl,dun" />
   <apn carrier="EE MMS" mcc="234" mnc="34" apn="eezone" user="eesecure" password="secure" mmsc="http://mms/" mmsproxy="149.254.201.135" mmsport="8080" authtype="1" type="mms" />
   <apn carrier="Truphone Internet" mcc="234" mnc="35" apn="truphone.com" type="default,supl" />
+  <apn carrier="Virgin Mobile" mcc="234" mnc="38" apn="goto.virginmobile.uk" user="" password="" mmsc="http://mms.virginmobile.co.uk:8002" mmsproxy="193.30.166.2" mmsport="8080" authtype="2" type="default,supl,mms" />
   <apn carrier="Jersey Internet" mcc="234" mnc="50" apn="pepper" proxy="" port="" user="" password="" mmsc="" type="default,supl" />
   <apn carrier="Jersey WAP" mcc="234" mnc="50" apn="pepper" proxy="212.9.19.199" port="3130" user="wap" password="wap" mmsc="" type="default,supl" />
   <apn carrier="Jersey MMS" mcc="234" mnc="50" apn="mms" proxy="" port="" user="mms" password="mms" mmsc="http://mms.surfmail.com/mmsc" mmsproxy="212.9.19.199" mmsport="3130" type="mms" />