Method ResetRoutingSession

libs/map/routing_manager.hpp:160–160

  void BuildRoute(uint32_t timeoutSec = routing::RouterDelegate::kNoTimeout);
  void SetUserCurrentPosition(m2::PointD const & position);
  void ResetRoutingSession() { m_routingSession.Reset(); }
  // FollowRoute has a bug where the router follows the route even if the method hads't been called.
  // This method was added because we do not want to break the behaviour that is familiar to our
  // users.