message: macro action num motion primitive returns total number
diff: @@ -77,8 +77,7 @@ BehaviorMPMacroActions::GetMotionPrimitives() const {
  BehaviorMotionPrimitives::MotionIdx
  BehaviorMPMacroActions::GetNumMotionPrimitives(
  const ObservedWorldPtr& observed_world) {
  - return GetNumMotionPrimitivesByCorridors(*observed_world,
  - GetCorridors(*observed_world));
  + return motion_primitives_.size();
  }
  AdjacentLaneCorridors BehaviorMPMacroActions::GetCorridors(
  const ObservedWorld& observed_world) {
  