Frameworks: QCFace framework added

Add framework support for extended face detect

Change-Id: I2a1c477ee6d11f2b9764966abbb85ede9100fe91
Camera: Adds support for longshot configuration

- The Camera API is extended with one additional
  call for longshot mode configuration.

Change-Id: If3bcad003facae22ec2bd690480dc3db63f0b28a
Fix compilation for non QCOM hardware after 'Enhance face detection' commit

Change-Id: I337a7a2e8b124aac76f52abcc0edd8af9b0b0e29