add MTS1 and MTS2 apn

Change-Id: If23e18901ae67269c479ba15b0e739b4345b7723
diff --git a/prebuilt/common/etc/apns-conf.xml b/prebuilt/common/etc/apns-conf.xml
index 9cf3a98..4532391 100644
--- a/prebuilt/common/etc/apns-conf.xml
+++ b/prebuilt/common/etc/apns-conf.xml
@@ -1521,5 +1521,7 @@
   <apn carrier="Movistar UY" mcc="748" mnc="07" apn="apnumt.movistar.com.uy" user="movistar" password="movistar" type="default,supl" />
   <apn carrier="Claro UY" mcc="748" mnc="10" apn="gprs.claro.com.uy" user="ctigpr" password="ctigpr999" type="default,supl" />
   <apn carrier="Claro UY MMS" mcc="748" mnc="10" apn="mms.ctimovil.com.uy" user="ctimms" password="ctimms999" mmsc="http://mms.ctimovil.com.uy" mmsproxy="170.051.255.240" mmsport="9201" type="mms" />
+  <apn carrier="MTS1" mcc="302" mnc="660" apn="sp.mts" mmsc="http://mmsc2.mts.net/" mmsproxy="209.4.229.90" mmsport="9401" type="default,mms" />
+  <apn carrier="MTS2" mcc="302" mnc="370" apn="sp.mts" mmsc="http://mmsc2.mts.net/" mmsproxy="209.4.229.90" mmsport="9401" type="default,mms" />
 </apns>