apns-conf: Add Japan Umobile APNs

Umobile/Usen Music/Umobile for iPhone/Umobile LTE使い放題: https://umobile.jp/service/setting/d/
Umobile Max: https://umobile.jp/service/setting/max/
Umobile Premium: https://umobile.jp/service/setting/premium/
Umobile Super: https://umobile.jp/service/setting/super/

Change-Id: Id2883e9c04f8e67bfdbca83824c42e36005dada6

prebuilt/common/etc/apns-conf.xml

@@ -2935,7 +2935,9 @@
   <apn carrier="OCN 3G" mcc="440" mnc="10" apn="3g-d-2.ocn.ne.jp" user="mobileid@ocn" password="mobile" authtype="2" type="default,supl" />
   <apn carrier="OCN LTE" mcc="440" mnc="10" apn="lte-d.ocn.ne.jp" user="mobileid@ocn" password="mobile" authtype="2" type="default,supl" />
   <apn carrier="So-net" mcc="440" mnc="10" apn="so-net.jp" user="nuro" password="nuro" authtype="2" type="default,supl" />
-  <apn carrier="U-mobile/フリモバ" mcc="440" mnc="10" apn="umobile.jp" user="umobile@umobile.jp" password="umobile" authtype="3" type="default,supl" />
+  <apn carrier="U-mobile" mcc="440" mnc="10" apn="umobile.jp" user="umobile@umobile.jp" password="umobile" authtype="3" type="default,supl" />
+  <apn carrier="U-mobile Max" mcc="440" mnc="10" apn="dm.jplat.net" user="umobile@umobile.jp" password="umobile" authtype="3" type="default,supl" />
+  <apn carrier="U-mobile Premium" mcc="440" mnc="10" apn="umob.jp" user="umob" password="umob" authtype="3" type="default,supl" />
   <apn carrier="Wi-Ho!" mcc="440" mnc="10" apn="bbnw.jp" user="user" password="0000" authtype="3" type="default,supl" />
   <apn carrier="WirelessGate 3G" mcc="440" mnc="10" apn="foma01.wi-gate.net" user="wg@sim" password="wg" authtype="3" type="default,supl" />
   <apn carrier="WirelessGate LTE" mcc="440" mnc="10" apn="xi01.wi-gate.net" user="wg@sim" password="wg" authtype="3" type="default,supl" />
@@ -2971,6 +2973,7 @@
   <apn carrier="sbm4glte" mcc="440" mnc="20" apn="sbm4glte" user="data" password="softbank" type="default,supl" />
   <apn carrier="smile.world" mcc="440" mnc="20" apn="smile.world" user="dna1trop" password="so2t3k3m2a" mmsc="http://mms/" mmsproxy="smilemms.softbank.ne.jp" mmsport="8080" authtype="1" type="default,supl,mms" />
   <apn carrier="IMS" mcc="440" mnc="20" apn="IMS" type="ims" protocol="IPV6" />
+  <apn carrier="U-mobile Super" mcc="440" mnc="20" apn="plus.acs.jp" user="ym" password="ym" authtype="2" type="default,supl" />
   <apn carrier="LTE NET" mcc="440" mnc="50" apn="uno.au-net.ne.jp" user="685840734641020@uno.au-net.ne.jp" password="KpyrR6BP" authtype="2" type="default,mms,supl,hipri" protocol="IPV4V6" roaming_protocol="IP" />
   <apn carrier="LTE NET for DATA" mcc="440" mnc="50" apn="au.au-net.ne.jp" user="user@au.au-net.ne.jp" password="au" authtype="2" type="default,mms,supl,hipri" protocol="IPV4V6" roaming_protocol="IP" />
   <apn carrier="UQ mobile" mcc="440" mnc="50" apn="uqmobile.jp" user="uq@uqmobile.jp" password="uq" mmsc="http://mms.ezweb.ne.jp/MMS" mmsport="80" authtype="2" type="default,supl,hipri,dun" />