am 1375a1a6: Merge "Only show voicemail tab if there is at least one active provider."

* commit '1375a1a62d9962bc6bc89edb983ecca72c5b1279':
  Only show voicemail tab if there is at least one active provider.
tree: 610700173d25535d803843e60f005933acaf1061
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. proguard.flags