am 9c5363b0: am 897af093: Add uses-feature for live wallpaper sample.

Merge commit '9c5363b081dcbe1da924a274d7a57e20f85d1b60'

* commit '9c5363b081dcbe1da924a274d7a57e20f85d1b60':
  Add uses-feature for live wallpaper sample.