message: Add a map from TPU core id to name to TfOpStats.
diff: @@ -223,4 +223,6 @@ message TfOpStats {
  optional RunEnvironmentResult run_environment = 7;
  // The result for the host operations.
  optional HostOpsResult host_ops = 8;
  + // A map from core ID to name.
  + map<uint32, string> core_id_to_name_map = 9;
  }
  