angler: apns-full-conf: Change the protocol for KT(45008) in Korea.

-Change the protocol of the IMS apn from IPV4V6 to IP.

BUG=24345182

Change-Id: Id05e1a25cd87ad82e1657816a0730479693adb39
diff --git a/apns-full-conf.xml b/apns-full-conf.xml
index 1170b0e..85db56a 100755
--- a/apns-full-conf.xml
+++ b/apns-full-conf.xml
@@ -25263,7 +25263,7 @@
       mnc="08"
       apn="IMS"
       type="ims"
-      protocol="IPV4V6"
+      protocol="IP"
   />
 
   <apn carrier="KT"