Use updated NetworkEventDispatcher API

Bug: 185153775
Ignore-AOSP-First: addressing API council comments with deadline
Test: m
Change-Id: Iae3cec4f751e1f74ccd26db6f22f55cf21dfc04a

framework/src/android/net/ConnectivityManager.java

@@ -4918,7 +4918,7 @@ public class ConnectivityManager {
             InetAddressCompat.clearDnsCache();
             // Must flush socket pool as idle sockets will be bound to previous network and may
             // cause subsequent fetches to be performed on old network.
-            NetworkEventDispatcher.getInstance().onNetworkConfigurationChanged();
+            NetworkEventDispatcher.getInstance().dispatchNetworkConfigurationChange();
         }
 
         return true;