Fix checkstyle error to resolve maven build problem

Change-Id: I46c7283b2bd2d93bd987bfad74b38e50d3f2e522
diff --git a/apps/ofagent/src/test/java/org/onosproject/ofagent/impl/OFAgentManagerTest.java b/apps/ofagent/src/test/java/org/onosproject/ofagent/impl/OFAgentManagerTest.java
index 6e98181..afdebcf 100644
--- a/apps/ofagent/src/test/java/org/onosproject/ofagent/impl/OFAgentManagerTest.java
+++ b/apps/ofagent/src/test/java/org/onosproject/ofagent/impl/OFAgentManagerTest.java
@@ -21,7 +21,6 @@
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
-import org.onlab.junit.TestTools;
 import org.onlab.junit.TestUtils;
 import org.onlab.packet.IpAddress;
 import org.onlab.packet.TpPort;
diff --git a/apps/vpls/src/main/java/org/onosproject/vpls/store/package-info.java b/apps/vpls/src/main/java/org/onosproject/vpls/store/package-info.java
index 0f1a807..775e6e9 100644
--- a/apps/vpls/src/main/java/org/onosproject/vpls/store/package-info.java
+++ b/apps/vpls/src/main/java/org/onosproject/vpls/store/package-info.java
@@ -13,5 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+/**
+ * VPLS store package.
+ */
 package org.onosproject.vpls.store;
\ No newline at end of file