hammerhead: Set interactive max_freq_hysteresis

Change-Id: Iefcdb338cea408294191bcedd4a495925ebb6240
Enable multicolor lights cm settings

Change-Id: I1cdb5106093e5643895635a9229119bd748da5f0
hammerhead: Update extract script to rebuild jars

Change-Id: I04d8ee76fcd2540482a7aa480f299570d8be6636
hammerhead: Cleanup SELinux policy

This addresses reviews in:
http://review.cyanogenmod.org/#/c/78600/
http://review.cyanogenmod.org/#/c/77883/

healthd perms are required during off-mode charge.
Plus let mpdecison communicate with thermald socket.

Change-Id: I0813085b20e16c2d62c72a8a43ae5f00200bdd77
Enable Ambient Display

This will make Ambient Display to appears on Settings and works on hammerhead.

Change-Id: I58a511b3bd0d6a5041240c22af5466f59211461c