add a dummy name for other type of SAN

src/core/tsi/ssl_transport_security.cc

@@ -411,10 +411,9 @@ static tsi_result add_subject_alt_names_properties_to_peer(
           TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, name,
           &peer->properties[(*current_insert_index)++]);
     } else {
-      // for the SAN field that we are not going to plumb, we will still
-      // increment the index, because the caller will make a check of the final
-      // index and total property length.
-      (*current_insert_index)++;
+      result = tsi_construct_string_peer_property_from_cstring(
+          TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, "other types of SAN",
+          &peer->properties[(*current_insert_index)++]);
     }
     if (result != TSI_OK) break;
   }