tool: allow replay_file to replay a message in a folder
tool: allow replay_file to replay a message in a folder

* easier to replay different routing on road test

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