Fix the camera preferences wipe trigger

Change-Id: I67b7798db5829e83a55c3c706e8e506411087ee1
diff --git a/camera_detect/init.fp.camera_detect.rc b/camera_detect/init.fp.camera_detect.rc
index 631929f..57d28be 100644
--- a/camera_detect/init.fp.camera_detect.rc
+++ b/camera_detect/init.fp.camera_detect.rc
@@ -12,7 +12,7 @@
     oneshot
     seclabel u:r:camera_detect:s0
 
-on property:fp2.any.cam.changed=1
+on property:fp2.cam.any.changed=1
     start cam_pref_wipe
 
 on property:init.svc.bootanim=stopped