am af1f42be: Fix issue #2271668: Live Wallpaper Force-Close when changing from live wallpaper to picasa wallpaper

Merge commit 'af1f42be96a6ffa7a9b63e199e1614281ea3282d' into eclair-mr2

* commit 'af1f42be96a6ffa7a9b63e199e1614281ea3282d':
  Fix issue #2271668: Live Wallpaper Force-Close when changing from live wallpaper to picasa wallpaper