[2/2] OmniGears: Fix pimp up ActiveDisplay

Base part: https://gerrit.omnirom.org/#/c/3380/

Change-Id: Ief2aa6802ad25a86b49d06bab1b9e34140dc5db5
Merge "[2/2] OmniGears: Fix pimp up ActiveDisplay" into android-4.4
merge changes from Omni 4.4 into local branch