mako: Add default value for display color control

depend on following commits

opt/hardware: http://review.cyanogenmod.org/#/c/59752/
Settings: http://review.cyanogenmod.org/59753

Change-Id: I5573bb6c45f4bc67a040b21203a103e0a883903d
Merge branch 'cm-11.0' of git://github.com/CyanogenMod/android_device_lge_mako into cd-4.4