Lockscreen Wallpaper [2/2]

Bring to KK4.4 branch to avoid conflicts with latest CAF changes

Change-Id: Icd448e2ae9ce2fc2867d93c61b7796af89e379e7
BootMessage: show more info in boot dialog

Tell the users what package we are running dexOpt on currently
https://gerrit.omnirom.org/#/c/1830/1/

Change-Id: Id40f3ad76d2dff809c2aaed1a35691a21d4abe51