am aecf2c65: am 76c9d31c: Revert "adding set wallpaper sample code in ApiDemos."

Merge commit 'aecf2c6581228677e90550a6d8f5f9668fb72987' into eclair-mr2-plus-aosp

* commit 'aecf2c6581228677e90550a6d8f5f9668fb72987':
  Revert "adding set wallpaper sample code in ApiDemos."