otter: Commonize KSM property (2/2)

depend on http://review.cyanogenmod.org/#/c/64972/

Change-Id: Idaed1ad19e6929eaab82406b48b7d6ed5abf037a
Merge pull request #2 from CyanogenMod/cm-11.0

otter: Commonize KSM property (2/2)