在设置里增加手动设置离线地图包（场地和道路）

lizhanwei

2021-04-27 f3af97387d8d25d6bebd8b4383dee1c22fc947ac

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{"road_total_distance":3000,"road_max_speed":60,"stop_car_open_door_allow_time":15,"stop_car_limit_distance":150,"stop_car_edge_red_distance":0.5,"stop_car_edge_yellow_distance":0.3}