Merge changes Idcb48155,Iecb8c3db,I4924134b into ics-mr0

* changes:
  charger: ignore key event if value didn't change
  charger: sync with the current key state on boot
  charger: print last_kmsg directly using klog_write
diff --git a/include/system/camera.h b/include/system/camera.h
index 86b62b7..cdfa256 100644
--- a/include/system/camera.h
+++ b/include/system/camera.h
@@ -227,8 +227,7 @@
     int32_t number_of_faces;
 
     /**
-     * An array of the detected faces. The length is number_of_faces. The list
-     * is sorted by the score. The highest score is the first element.
+     * An array of the detected faces. The length is number_of_faces.
      */
     camera_face_t *faces;
 } camera_frame_metadata_t;