Build ethernet framework source into framework-connectivity-tiramisu

- move ethernet APIs, build it into framework-connectivity-tiramisu
- start ethernet service from ConnectivityServiceInitializer
- fix EthernetManager dependnecy in Tethering module
- fix EthernetNetworkSpecifier dependency in framework-connectivity
- fix the ethernet related config resource

Bug: 210586283
Test: m
Test: atest FrameworksNetTests EthernetServiceTests
Change-Id: I54857b8517649048a343c72797668394d5225766
Merged-In: I54857b8517649048a343c72797668394d5225766

service-t/src/com/android/server/ConnectivityServiceInitializer.java

@@ -21,6 +21,8 @@ import android.util.Log;
 
 import com.android.modules.utils.build.SdkLevel;
 import com.android.networkstack.apishim.ConstantsShim;
+import com.android.server.ethernet.EthernetService;
+import com.android.server.ethernet.EthernetServiceImpl;
 import com.android.server.nearby.NearbyService;
 
 /**
@@ -29,15 +31,19 @@ import com.android.server.nearby.NearbyService;
  */
 public final class ConnectivityServiceInitializer extends SystemService {
     private static final String TAG = ConnectivityServiceInitializer.class.getSimpleName();
+    private final Context mContext;
     private final ConnectivityService mConnectivity;
     private final IpSecService mIpSecService;
     private final NsdService mNsdService;
     private final NearbyService mNearbyService;
+    private final EthernetServiceImpl mEthernetServiceImpl;
 
     public ConnectivityServiceInitializer(Context context) {
         super(context);
+        mContext = context;
         // Load JNI libraries used by ConnectivityService and its dependencies
         System.loadLibrary("service-connectivity");
+        mEthernetServiceImpl = createEthernetService(context);
         mConnectivity = new ConnectivityService(context);
         mIpSecService = createIpSecService(context);
         mNsdService = createNsdService(context);
@@ -46,6 +52,12 @@ public final class ConnectivityServiceInitializer extends SystemService {
 
     @Override
     public void onStart() {
+        if (mConnectivity.deviceSupportsEthernet(mContext)) {
+            Log.i(TAG, "Registering " + Context.ETHERNET_SERVICE);
+            publishBinderService(Context.ETHERNET_SERVICE, mEthernetServiceImpl,
+                    /* allowIsolated= */ false);
+        }
+
         Log.i(TAG, "Registering " + Context.CONNECTIVITY_SERVICE);
         publishBinderService(Context.CONNECTIVITY_SERVICE, mConnectivity,
                 /* allowIsolated= */ false);
@@ -65,6 +77,7 @@ public final class ConnectivityServiceInitializer extends SystemService {
             publishBinderService(ConstantsShim.NEARBY_SERVICE, mNearbyService,
                     /* allowIsolated= */ false);
         }
+
     }
 
     @Override
@@ -72,6 +85,10 @@ public final class ConnectivityServiceInitializer extends SystemService {
         if (mNearbyService != null) {
             mNearbyService.onBootPhase(phase);
         }
+
+        if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY && mEthernetServiceImpl != null) {
+            mEthernetServiceImpl.start();
+        }
     }
 
     /**
@@ -106,4 +123,15 @@ public final class ConnectivityServiceInitializer extends SystemService {
             return null;
         }
     }
+
+    /**
+     * Return EthernetServiceImpl instance or null if current SDK is lower than T or Ethernet
+     * service isn't necessary.
+     */
+    private EthernetServiceImpl createEthernetService(final Context context) {
+        if (!SdkLevel.isAtLeastT() || !mConnectivity.deviceSupportsEthernet(context)) {
+            return null;
+        }
+        return EthernetService.create(context);
+    }
 }