Prediction: add pred exit lane to feature.proto
Prediction: add pred exit lane to feature.proto

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