planning: added proto for cloud reference line.
planning: added proto for cloud reference line.

jinghaomiao/apollo,xiaoxq/apollo,ApolloAuto/apollo,ycool/apollo,jinghaomiao/apollo,jinghaomiao/apollo,xiaoxq/apollo,jinghaomiao/apollo,xiaoxq/apollo,ycool/apollo,jinghaomiao/apollo,wanglei828/apollo,ApolloAuto/apollo,wanglei828/apollo,wanglei828/apollo,ycool/apollo,wanglei828/apollo,ycool/apollo,wanglei828/apollo,jinghaomiao/apollo,xiaoxq/apollo,ApolloAuto/apollo,ApolloAuto/apollo,ApolloAuto/apollo,ycool/apollo,xiaoxq/apollo,wanglei828/apollo,xiaoxq/apollo,ApolloAuto/apollo,ycool/apollo