HDFS-14247. Repeat adding node description into network topology. Contributed by HuangTao.

(cherry picked from commit 80b77deb42a3ef94d6bef160bc58d807f2faa104)
(cherry picked from commit 96371245357bda63b3ede10f37a37f5333a85d69)

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java

@@ -1132,7 +1132,6 @@ public class DatanodeManager {
           nodeDescr.setDependentHostNames(
               getNetworkDependenciesWithDefault(nodeDescr));
         }
-        networktopology.add(nodeDescr);
         nodeDescr.setSoftwareVersion(nodeReg.getSoftwareVersion());
         resolveUpgradeDomain(nodeDescr);