Not receiving MMS in Messenger

nxtgenphone is for VoLTE capable devices.TE smartphone must use
the “phone” APN as the general purpose APN.

Bug:1826877
Change-Id: I21b655755c0ff4cedb4ea1a6c5660067aecd2f1e
diff --git a/etc/apns-full-conf.xml b/etc/apns-full-conf.xml
index cd14dad..e3ffdc7 100755
--- a/etc/apns-full-conf.xml
+++ b/etc/apns-full-conf.xml
@@ -9826,6 +9826,16 @@
       mmsport="80"
   />
 
+  <apn carrier="ATT Phone"
+      mcc="310"
+      mnc="410"
+      apn="phone"
+      type="default,mms,supl,fota,hipri"
+      mmsc="http://mmsc.mobile.att.net"
+      mmsproxy="proxy.mobile.att.net"
+      mmsport="80"
+  />
+
   <apn carrier="ATT WAP"
       mcc="310"
       mnc="410"