Active display: allow hiding low priority notifications. [1/2]

Change-Id: I4831d6864b509e62b449c25619c59f5d6760ec47
Merge "Active display: allow hiding low priority notifications. [1/2]" into jb3
FW: Halo: Remove expanded desktop dependency to longpress action

* Always on is much better!

depends on: http://review.pac-rom.com/#/c/2456/

Signed-off-by: iGio90 <giovanni.rocca.90@gmail.com>
Change-Id: I777d65cc38b3d84212f04ce6405ceb5de8384903
Merge 'carbon' into jb3