YARN-4657. Javadoc comment is broken for Resources.multiplyByAndAddTo(). (Daniel Templeton via kasha)

(cherry picked from commit 81d04cae41182808ace5d86cdac7e4d71871eb1e)

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/Resources.java

@@ -152,7 +152,7 @@ public class Resources {
   }
 
   /**
-   * Multiply @param rhs by @param by, and add the result to @param lhs
+   * Multiply {@code rhs} by {@code by}, and add the result to {@code lhs}
    * without creating any new {@link Resource} object
    */
   public static Resource multiplyAndAddTo(