Add slide before unlock to gesture

While pattern lock has slide before unlock, let's add it to the gesture
unlock as well.

Change-Id: Ib7885a4c57764682cbb487a0c1e16da61f693799
Remove this

Change-Id: Ibe3339a747a957ef3126b8797ea04bc8efb09dd1
Merge "Remove this" into du44
Merge branch 'du44' of https://github.com/DirtyUnicorns-KitKat/packages_apps_Settings into HEAD