am 4b28a12a: Restore missing all contacts button background

* commit '4b28a12a11a522c3c76219f4689481dec9271815':
  Restore missing all contacts button background
tree: da1df19d27bf674e40e84465337a5caac7a9adb5
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. proguard.flags