Removes BIND_LISTENER from SpeedTracker sample (GPS sample). am: 49db522 am: 66abb49 am: 73bc0d0
am: bfa86ea

* commit 'bfa86eab46c72045dbef5b5ae6f860f05f0abb98':
  Removes BIND_LISTENER from SpeedTracker sample (GPS sample).

Change-Id: Ic6342cf547588dc68c766720e8178a7023a9f8b0