apns-conf-cdma: add APN's for USCC and Cellular South

Change-Id: Ie36fddc3c74e7a0fa11a1c67c153bb68382d303d

prebuilt/common/etc/apns-conf-cdma.xml

@@ -23,7 +23,9 @@
   <apn carrier="MobiPCS" mcc="310" mnc="00" apn="MobiPCS" user="@mobipcs.com" password="mobipcs" mmsc="http://mms.mobipcs.com" authtype="3" type="*" />
   <apn carrier="Verizon" mcc="310" mnc="004" apn="internet" user="*" password="*" server="*" mmsc="http://mms.vtext.com/servlets/mms" type="default,supl,mms" />
   <apn carrier="Cricket" mcc="310" mnc="16" apn="wap.mycricket.com" user="@mycricket.com" password="cricket" mmsc="http://mms.mycricket.com/servlets/mms" mmsproxy="" mmsport="" proxy="wap.mycricket.com" port="8080" authtype="2" type="*" />
+  <apn carrier="Cellular South" mcc="310" mnc="023" apn="internet" mmsc="http://pix.cellularsouth.com/servlets/mms" authtype="3" port="" mmsport="" type="mms" />
   <apn carrier="MetroPCS" mcc="310" mnc="027" apn="wap.metropcs.net" user="MDN@mymetropcs.com" password="metropcs" server="http://mms.metropcs.net/servlets/mmsc" mmsc="http://mms.metropcs.net/mmsc" mmsport="3128" type="default,supl,mms" />
+  <apn carrier="USCC" mcc="310" mnc="120" apn="internet" mmsc="http://mmsc1.uscc.net/mmsc/MMS" authtype="3" port="80" mmsport="80" type="mms" />
   <apn carrier="Sprint" mcc="310" mnc="120" apn="Sprint" user="Sprint" server="*" password="*" mmsc="http://mms.sprintpcs.com" authtype="3"/>
   <apn carrier="Virgin Mobile US" mcc="311" mnc="490" apn="0" mmsproxy="205.239.233.136" mmsport="81" mmsc="http://mmsc.vmobl.com:8088/mms?" port="" type="mms" />
   <apn carrier="Boost MMS" mcc="505" mnc="02" apn="mms" user="" password="" server="" proxy="61.88.190.10" port="8070" mmsc="http://mmsc.optus.com.au:8002/" mmsproxy="61.88.190.10" mmsport="8070" type="mms" authtype="3"/>