Add OVIVO APNs

Per https://jira.cyanogenmod.org/browse/CYAN-2987 and
http://ovivomobile.com/wp-content/uploads/2013/05/OVIVO-Mobile-Android-Phones-Setup-Guide.pdf

Change-Id: I596d7614ce13bc28ecc05370c18eda82ef061060
diff --git a/prebuilt/common/etc/apns-conf.xml b/prebuilt/common/etc/apns-conf.xml
index 7e4c379..408e651 100644
--- a/prebuilt/common/etc/apns-conf.xml
+++ b/prebuilt/common/etc/apns-conf.xml
@@ -241,6 +241,8 @@
   <apn carrier="Lebara UK" mcc="234" mnc="15" apn="uk.lebara.mobi" user="web" password="web" type="default,supl" />
   <apn carrier="LEbara UK MMS" mcc="234" mnc="15" apn="uk.lebara.mobi" user="web" password="web" server="*" mmsc="http://mms.lebara.co.uk/servlets/mms" mmsproxy="212.183.137.012" mmsport="8799" type="mms" />
   <apn carrier="Talkmobile" mcc="234" mnc="15" apn="talkmobile.co.uk" user="wap" password="wap" mmsc="http://mms.talkmobile.co.uk/servlets/mms" mmsproxy="212.183.137.12" mmsport="8799" type="default,supl,mms" />
+  <apn carrier="OVIVO" mcc="234" mnc="15" apn="ovivomobile.com" type="default,supl" />
+  <apn carrier="OVIVO MMS" mcc="234" mnc="15" apn="gprsconnect.com" mmsc="http://mms.gprsconnect.com/servlets/mms" mmsproxy="212.183.137.12" mmsport="8799" type="mms" />
   <apn carrier="3 UK" mcc="234" mnc="20" apn="three.co.uk" mmsc="http://mms.um.three.co.uk:10021/mmsc" mmsproxy="mms.three.co.uk" mmsport="8799" type="default,supl,mms" />
  <apn carrier="T-Mobile UK" mcc="234" mnc="30" apn="general.t-mobile.uk" user="t-mobile" password="tm" server="*" mmsc="http://mmsc.t-mobile.co.uk:8002" mmsproxy="149.254.201.135" mmsport="8080" type="default,supl,mms" />
  <apn carrier="Picture Message" mcc="234" mnc="30" apn="general.t-mobile.uk" user="user" password="wap" mmsc="http://mmsc.t-mobile.co.uk:8002" mmsproxy="149.254.201.135" mmsport="8080" type="mms" />