am 69df0042: Set track drawable to null to remove grey track.

* commit '69df0042548e3d19c4b2f11c320647e922e2542f':
  Set track drawable to null to remove grey track.
tree: beab3300a51444c89852611d8e98887a7d1d4ba9
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. proguard.flags