Add 'resumed' bool ConnectionListener's authenticated()

It's important to know if the stream was resumed. authenticated() is the
ideal callback for Managers to reset their state (e.g. cached values of
the connection state). But if the stream was resumed, the cached values
don't have to be reset.

smack-extensions/src/main/java/org/jivesoftware/smackx/privacy/PrivacyListManager.java

@@ -186,7 +186,11 @@ public class PrivacyListManager extends Manager {
         }, PRIVACY_RESULT);
         connection.addConnectionListener(new AbstractConnectionListener() {
             @Override
-            public void reconnectionSuccessful() {
+            public void authenticated(XMPPConnection connection, boolean resumed) {
+                // No need to reset the cache if the connection got resumed.
+                if (resumed) {
+                    return;
+                }
                 cachedActiveListName = cachedDefaultListName = null;
             }
         });