Keyguard: fix NPE setting lockscreen wallpaper

After boot the view might not be laid out and so getWidth() and
getHeight() return 0 and will cause a NullPointerException in
createBitmap().

Change-Id: Ibacf4199a69709dc34d21695732c2a5360533a23
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>
Show notification on adb over network too

Screenshots - http://goo.gl/TgsRI6

Change-Id: I9ddc0aa9a4f330a06ab5d97a8645d1b31bb6f299
QS: New torch icon

Create a new torch icon which can be used across the system
(Quick settings, Quick launch, Torch app).

Screenshot: http://goo.gl/V5S8LC
Vector graphic: http://goo.gl/NvjZuM

Change-Id: I4ddf97847d4488d1c344d50b5755a67537f6a126