Add b-mobile APN

b-mobile is  provider of telecommunications in japan.

Change-Id: Id119b96f59c97d1df87272f62c4ab7dfba3fccb2

prebuilt/common/etc/apns-conf.xml

@@ -1148,6 +1148,7 @@
   <apn carrier="NTT Docomo(128k)" mcc="440" mnc="10" apn="mpr.ex-pkt.net" type="default,supl,mms" />
   <apn carrier="NTT Docomo(mopera ff)" mcc="440" mnc="10" apn="open.mopera.net" type="default,supl,mms" />
   <apn carrier="NTT Docomo(spmode)" mcc="440" mnc="10" apn="spmode.ne.jp" type="default,supl" />
+  <apn carrier="b-mobile(sumaho)" mcc="440" mnc="10" apn="bmobile.ne.jp" user="bmobile@spd" password="bmobile" type="default,supl,mms" />
   <apn carrier="Softbank(open)" mcc="440" mnc="20" apn="open.softbank.ne.jp" user="opensoftbank" password="ebMNuX1FIHg9d3DA" mmsc="http://mms/" mmsproxy="mmsopen.softbank.ne.jp" mmsport="8080" type="default,supl,mms" />
   <apn carrier="Softbank(smile.world)" mcc="440" mnc="20" apn="smile.world" user="dna1trop" password="so2t3k3m2a" mmsc="http://mms/" mmsproxy="smilemms.softbank.ne.jp" mmsport="8080" type="default,supl,mms" />
   <apn carrier="Softbank(desire)" mcc="440" mnc="20" apn="open.softbank.ne.jp" user="softbankX06HT" password="KfNSDrQQs2AtFQ9M" mmsc="http://mms/" mmsproxy="andmms.softbank.ne.jp" mmsport="8080" type="default,supl,mms" />