diff --git a/services/core/java/com/android/server/connectivity/NetdEventListenerService.java b/services/core/java/com/android/server/connectivity/NetdEventListenerService.java
index 98f34ca11f71f..4fbfa8ee29c25 100644
--- a/services/core/java/com/android/server/connectivity/NetdEventListenerService.java
+++ b/services/core/java/com/android/server/connectivity/NetdEventListenerService.java
@@ -126,7 +126,9 @@ public NetdEventListenerService(Context context) {
 
     @Override
     // Called concurrently by multiple binder threads.
-    public synchronized void onDnsEvent(int netId, int eventType, int returnCode, int latencyMs) {
+    // This method must not block or perform long-running operations.
+    public synchronized void onDnsEvent(int netId, int eventType, int returnCode, int latencyMs,
+            String hostname, String[] ipAddresses, int ipAddressesCount, int uid) {
         maybeVerboseLog(String.format("onDnsEvent(%d, %d, %d, %d)",
                 netId, eventType, returnCode, latencyMs));