Workaround for wallpaper not shown correctly problem

By changing to unbindService and remove window token first,
and then do the service binding and new window token adding,
we could make the wallpaper displayed correctly for the 2nd
and later boot.
Also fixed the BOOT TIMEOUT problem

Change-Id: I2fea23db66aee637dae1f627a37b6766ef3c9b10
1 file changed