update tutorial scenario

scenarios/hand-crafted/ZAM_Tutorial-1_2_T-1.xml

-<commonRoad timeStepSize="0.1" commonRoadVersion="2018b" author="Max Mustermann" affiliation="Technical University of Munich, Germany" source="" tags="highway multi_lane no_oncoming_traffic parallel_lanes comfort" benchmarkID="ZAM_Tutorial-1_1_T-1" date="2019-08-28">
+<commonRoad timeStepSize="0.1" commonRoadVersion="2018b" author="Max Mustermann" affiliation="Technical University of Munich, Germany" source="" tags="highway multi_lane no_oncoming_traffic parallel_lanes comfort" benchmarkID="ZAM_Tutorial-1_2_T-1" date="2019-08-28">
   <lanelet id="1">
     <leftBound>
       <point>