Extending DNS event reporting

    @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));