am 43d0199a: am 75dce94a: Merge "Camera2: Emit FaceDetection events for all except repeating 0-face frames" into jb-mr1-dev

* commit '43d0199a5c89d756cb3ac3c0c0fa7afe421be28b':
  Camera2: Emit FaceDetection events for all except repeating 0-face frames