Fix timestamp bug

Carla stamp is in ms thus we need to divide it by 1000 to go to seconds (and not the inverse)

carla_ros_bridge/src/carla_ros_bridge/bridge.py

@@ -142,7 +142,7 @@ class CarlaRosBridge(object):
 
             # handle time
             self.carla_game_stamp = measurements.game_timestamp
-            self.cur_time = rospy.Time.from_sec(self.carla_game_stamp * 1000.0)
+            self.cur_time = rospy.Time.from_sec(self.carla_game_stamp * 1e-3)
             self.compute_cur_time_msg()
 
             # handle agents