Stubbed net mgmt API methods in eth service

Stubbed API methods in EthernetServiceImpl to be used for network
management.

Bug: 210487086
Bug: 210485380
Test: make, flash and boot and atest EthernetServiceTests
Change-Id: I8bd5a6eca07d00e0f155b71e2960371989a13013

service-t/src/com/android/server/ethernet/EthernetServiceImpl.java

@@ -16,11 +16,15 @@
 
 package com.android.server.ethernet;
 
+import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.net.IEthernetManager;
 import android.net.IEthernetServiceListener;
+import android.net.IInternalNetworkManagementListener;
 import android.net.ITetheredInterfaceCallback;
+import android.net.InternalNetworkUpdateRequest;
 import android.net.IpConfiguration;
 import android.os.Binder;
 import android.os.Handler;
@@ -209,4 +213,24 @@ public class EthernetServiceImpl extends IEthernetManager.Stub {
         mHandler.dump(new PrintWriterPrinter(pw), "EthernetServiceImpl");
         pw.decreaseIndent();
     }
+
+    @Override
+    public void updateConfiguration(@NonNull final String iface,
+            @NonNull final InternalNetworkUpdateRequest request,
+            @Nullable final IInternalNetworkManagementListener listener) {
+        Log.i(TAG, "updateConfiguration called with: iface=" + iface
+                + ", request=" + request + ", listener=" + listener);
+    }
+
+    @Override
+    public void connectNetwork(@NonNull final String iface,
+            @Nullable final IInternalNetworkManagementListener listener) {
+        Log.i(TAG, "connectNetwork called with: iface=" + iface + ", listener=" + listener);
+    }
+
+    @Override
+    public void disconnectNetwork(@NonNull final String iface,
+            @Nullable final IInternalNetworkManagementListener listener) {
+        Log.i(TAG, "disconnectNetwork called with: iface=" + iface + ", listener=" + listener);
+    }
 }