am 1540a7ea: am c69f5be0: Add PhoneSubInfo.getCompleteVoiceMailNumber.

Merge commit '1540a7ea1afcb772b5fcf90f635153f6489eb8ed' into gingerbread-plus-aosp

* commit '1540a7ea1afcb772b5fcf90f635153f6489eb8ed':
  Add PhoneSubInfo.getCompleteVoiceMailNumber.