5233826 when a live wallpaper starts, it does so regardless of its visibility
The WallpaperService is now very forceful about telling a wallpaper it is
not visible when it first starts.
5209847 Make launcher turn off the wallpaper in all apps.
Fix a bug in the window manager that would not correctly handle the wallpaper
flag changing.
Change-Id: Ie3314043a84664be72a1304a1705408efd789a15
9e4e727b4a