[2/2] Frameworks: HALO

Forward port from jb.
PS1: Initial port
     Fix conficts with notification LED
     Fix derp
     Major derp
     HALO Mods
     Rebase
     Fix blackist, code clean and added some TODOs
PS2: Fix build
PS3: Fix bubble sometimes doesn't respond on new notification
PS4: Align halo icon

Change-Id: I890ea2713b67c90019d7364afbd659b133ef0c57
[2/2] frameworks/base: Enable quick unlock

Automatically unlock the lockscreen when the correct pin/password is keyed.

- public static final String LOCKSCREEN_QUICK_UNLOCK_CONTROL = "lockscreen_quick_unlock_control" is already defined in Settings.java (line 3280)

Change-Id: I3c1df4b573321a9343d1c339055577d5ca737f14