am 99b3fc5d: Camera3: Only add faceDetect metadata when necessary
am 99b3fc5d: Camera3: Only add faceDetect metadata when necessary

* commit '99b3fc5de98314ad3cd91fc68c97070c3fc3e4d4':
  Camera3: Only add faceDetect metadata when necessary

maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead