Address further API council comments.

Test: FrameworksNetTests NetworkStackTests
Bug: 152238712
Copy from ag/10857997
Change-Id: I7c27f76c54a76abeae46dcdcddaeb3ca48afa358
Merged-In: I7c27f76c54a76abeae46dcdcddaeb3ca48afa358
diff --git a/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java b/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java
index f5ab8b7..793b284 100644
--- a/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java
+++ b/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java
@@ -481,7 +481,7 @@
             };
             mNetworkAgent.register();
             mNetworkAgent.setLegacyExtraInfo(mHwAddress);
-            mNetworkAgent.setConnected();
+            mNetworkAgent.markConnected();
         }
 
         void onIpLayerStopped(LinkProperties linkProperties) {