Merge changes I868c8584,I398ed793,I88c592f7,I9c81a8ae into camera.lnx.1.0-dev.1.0

* changes:
  SnapdragonCamera: Changing icon size
  SnapdragonCamera: Mono preview visibility change on pause
  SnapdragonCamera: ShutterSound control to cover long shot
  SnapdragonCamera: Fix for false Selfie mirror preview