am 1aff79ad: Add SystemUI (notification bar) to SDK build.

Merge commit '1aff79ad44bc4fd6aa5ec2d0922afe5a6bcf455d' into gingerbread-plus-aosp

* commit '1aff79ad44bc4fd6aa5ec2d0922afe5a6bcf455d':
  Add SystemUI (notification bar) to SDK build.