Addendum patch to fix the merge issue:

  HADOOP-14652 updated a dependency in Hadoop common,
  Ozone was using the same pom

This change renames the library to the latest version of the package
as was done in trunk.

hadoop-hdfs-project/hadoop-hdfs/pom.xml

@@ -251,7 +251,7 @@ http://maven.apache.org/xsd/maven-4.0.0.xsd">
       <scope>test</scope>
     </dependency>
       <dependency>
-          <groupId>com.codahale.metrics</groupId>
+          <groupId>io.dropwizard.metrics</groupId>
           <artifactId>metrics-core</artifactId>
       </dependency>
     <dependency>