Settings: Gesture Lockscreen (2/2)

Changes needed for lollipop

Change-Id: Icf2f5a5cd3474ea325097437bc2956c10e2ae9d7
(cherry picked from commit a1c5e1c85a13e6019a9d7d14d2f14c4203c8023f)
Unlock Gesture: Add user configurable lockscreen shortcuts Support

(cherry picked from commit 5a4cdd5e23bae33394f6d5ebb402ca0da59584b2)