Frameworks: Enhance face detection & Fix compilation for non QCOM hardware after 'Enhance face detection' commit

CM Commit http://review.cyanogenmod.org/#/c/51877/ & http://review.cyanogenmod.org/#/c/51843/

Add support for facial processing features:
smile detection, gaze detection and blink detection

PS4: Fix whitespaces and correct ifdef positions

Change-Id: I6b22c3e1691a8b81f8cfad5d083ba2fc12e5a764