DropWizardMetricMaker: fix the javadoc unclosed code block

Note that broken javadoc affected GJF it was not formatting the javadoc
method comment before (also not complaining about it being misformatted).
Now when the comment was fixed it was also reformatted with GFJ.

Release-Notes: skip
Change-Id: I9c61413f750947cc0c23369a7e6098919223226c
diff --git a/java/com/google/gerrit/metrics/dropwizard/DropWizardMetricMaker.java b/java/com/google/gerrit/metrics/dropwizard/DropWizardMetricMaker.java
index 0821e86..2956a3e 100644
--- a/java/com/google/gerrit/metrics/dropwizard/DropWizardMetricMaker.java
+++ b/java/com/google/gerrit/metrics/dropwizard/DropWizardMetricMaker.java
@@ -370,15 +370,16 @@
   }
 
   /**
-   * Ensures that the sanitized metric name doesn't contain invalid characters and
-   * removes the risk of collision (between the sanitized metric names).
-   * Modifications to the input metric name:
+   * Ensures that the sanitized metric name doesn't contain invalid characters and removes the risk
+   * of collision (between the sanitized metric names). Modifications to the input metric name:
+   *
    * <ul>
-   *   <li/> leading <code>/</code> is replaced with <code>_</code>
-   *   <li/> doubled (or repeated more times) <code>/</code> are reduced to a single <code>/<code>
-   *   <li/> ending <code>/</code> is removed
-   *   <li/> all characters that are not <code>/a-zA-Z0-9_-</code> are replaced with <code>_0x[HEX CODE]_</code> (code is capitalized)
-   *   <li/> the replacement prefix <code>_0x</code> is prepended with another replacement prefix
+   *   <li/>leading <code>/</code> is replaced with <code>_</code>
+   *   <li/>doubled (or repeated more times) <code>/</code> are reduced to a single <code>/</code>
+   *   <li/>ending <code>/</code> is removed
+   *   <li/>all characters that are not <code>/a-zA-Z0-9_-</code> are replaced with <code>
+   *       _0x[HEX CODE]_</code> (code is capitalized)
+   *   <li/>the replacement prefix <code>_0x</code> is prepended with another replacement prefix
    * </ul>
    *
    * @param name name of the metric to sanitize