Add APN for EMOBILE (Japan)

Change-Id: I23d633ea650d409634e6547fbd8e98871600fd63
Clean up APNs for au and SoftBank (Japan)

Change-Id: I67223792af2abee5c9372cbe47745dbfa6b525a6
Merge remote-tracking branch 'cyan/cm-11.0' into cm-11.0