Adapt to latest EventListener package on master

Gerrit master has the EventListener in the server.events
sub package.

Change-Id: Ib48cdc7529386b5329ea0aee17d7185b9b56e676
diff --git a/src/main/java/com/ericsson/gerrit/plugins/eventslog/EventHandler.java b/src/main/java/com/ericsson/gerrit/plugins/eventslog/EventHandler.java
index 7e2a4c1..80997a9 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/eventslog/EventHandler.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/eventslog/EventHandler.java
@@ -14,8 +14,8 @@
 
 package com.ericsson.gerrit.plugins.eventslog;
 
-import com.google.gerrit.common.EventListener;
 import com.google.gerrit.server.events.Event;
+import com.google.gerrit.server.events.EventListener;
 import com.google.gerrit.server.events.ProjectEvent;
 import com.google.inject.Inject;
 
diff --git a/src/main/java/com/ericsson/gerrit/plugins/eventslog/EventModule.java b/src/main/java/com/ericsson/gerrit/plugins/eventslog/EventModule.java
index 1098759..3aa7e98 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/eventslog/EventModule.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/eventslog/EventModule.java
@@ -14,9 +14,9 @@
 
 package com.ericsson.gerrit.plugins.eventslog;
 
-import com.google.gerrit.common.EventListener;
 import com.google.gerrit.extensions.events.LifecycleListener;
 import com.google.gerrit.extensions.registration.DynamicSet;
+import com.google.gerrit.server.events.EventListener;
 import com.google.inject.AbstractModule;
 import com.google.inject.Provides;
 import com.google.inject.Scopes;