Adapt to upstream changes in listener events interface

The project deletion and garbage collection listener implementations
need to implement the getNotify() method.

Change-Id: I926bb3dfd5c786c9d218850cf9c60070ff476d41
diff --git a/src/test/java/com/googlesource/gerrit/plugins/quota/DeletionListenerTest.java b/src/test/java/com/googlesource/gerrit/plugins/quota/DeletionListenerTest.java
index bc9fa07..4620323 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/quota/DeletionListenerTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/quota/DeletionListenerTest.java
@@ -18,6 +18,7 @@
 import static org.easymock.EasyMock.replay;
 import static org.easymock.EasyMock.verify;
 
+import com.google.gerrit.extensions.api.changes.NotifyHandling;
 import com.google.gerrit.extensions.events.ProjectDeletedListener;
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gwtorm.client.KeyUtil;
@@ -46,6 +47,11 @@
       public String getProjectName() {
         return MY_PROJECT;
       }
+
+      @Override
+      public NotifyHandling getNotify() {
+        return NotifyHandling.ALL;
+      }
     };
     classUnderTest.onProjectDeleted(event);
 
diff --git a/src/test/java/com/googlesource/gerrit/plugins/quota/GCListenerTest.java b/src/test/java/com/googlesource/gerrit/plugins/quota/GCListenerTest.java
index c7a6fdd..f59bbc1 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/quota/GCListenerTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/quota/GCListenerTest.java
@@ -19,6 +19,7 @@
 import static org.easymock.EasyMock.replay;
 import static org.easymock.EasyMock.verify;
 
+import com.google.gerrit.extensions.api.changes.NotifyHandling;
 import com.google.gerrit.extensions.events.GarbageCollectorListener;
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gwtorm.client.KeyUtil;
@@ -95,6 +96,11 @@
           public Properties getStatistics() {
             return statistics;
           }
+
+          @Override
+          public NotifyHandling getNotify() {
+            return NotifyHandling.ALL;
+          }
         };
     return event;
   }