am 50297150: am bc891fe6: am 93f905e4: am 9d1d797b: Prevent NPE in VoicemailPlaybackPresenter.

* commit '50297150b8568284ec85ff94fa11336f11d9d8c0':
  Prevent NPE in VoicemailPlaybackPresenter.
tree: 386138e5c79b265783b1cc3f83bfcb2af9a42d04
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. proguard.flags