Fix potential NPE in VoicemailPlaybackPresenter
am: de4f0f5378

* commit 'de4f0f537884365672258bed7895e3ab367b5a7a':
  Fix potential NPE in VoicemailPlaybackPresenter
tree: b45192bba036f7841252393b5ea015e41590e35a
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. proguard.flags