am 8d0847ca: Polish call blocking rotation/undo behaviors.

* commit '8d0847ca13ca46730756e1d3a3dff3d7d27fd18b':
  Polish call blocking rotation/undo behaviors.
tree: 929cf9f8cb29f37b502eee6577ab66c2dcc4bb76
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. proguard.flags