Fix dangling Javadoc comments

Change-Id: I828f9bdf0c2b2205b9239c2ef5c85aadd83bb3f0

@@ -32,7 +32,7 @@ public enum ApplicationRole {
      */
     UNSPECIFIED,
 
-    /**
+    /*
      * More useful roles may be defined.
      */
 }

@@ -14,9 +14,6 @@
  * limitations under the License.
  */
 
-/**
- *
- */
 package org.onosproject.store.trivial;
 
 import static org.junit.Assert.*;

@@ -942,7 +942,7 @@ public class PathIntentCompilerTest {
 
             assertTrue(VlanId.NO_VID < vlanToEncap.toShort() && vlanToEncap.toShort() < VlanId.MAX_VLAN);
 
-            /**
+            /*
              * This second part is meant to test if the random selection is working properly.
              * We are compiling the same intent in order to verify if the VLAN ID is different
              * from the previous one.

@@ -19,11 +19,10 @@ package org.onosproject.persistence.impl;
 /**
  * An exception defined for failures of the local persistent store system.
  */
-
-/**
- * Throws an exception with the specified message.
- */
 public class PersistenceException extends RuntimeException {
+    /**
+     * Throws an exception with the specified message.
+     */
     public PersistenceException(String s) {
         super(s);
     }