Merge "Add a wrapper ConfigMetricReportList to hold multiple ConfigMetricReports"

}

message ConfigMetricsReport {

  repeated StatsLogReport metrics = 1;

  optional UidMapping uid_map = 2;

}

message ConfigMetricsReportList {

  message ConfigKey {

    optional int32 uid = 1;

    optional string name = 2;

  }

  optional ConfigKey config_key = 1;

  repeated StatsLogReport metrics = 2;

  optional UidMapping uid_map = 3;

  repeated ConfigMetricsReport reports = 2;

}