Remove deps from framework on netd interfaces

If included in framework.jar, the interfaces conflict with any app that
needs to depend on them, including the NetworkStack.

Bug: 124033493
Test: atest FrameworksNetTests NetworkStackTests
Change-Id: I2db9f87b7154130726d4700b241d55b041635d98
Merged-In: I0ecae20d514bf888f3a80331f19369ceb1c52aa3
diff --git a/src/android/net/ip/IpClient.java b/src/android/net/ip/IpClient.java
index 9e59912..b1f6d24 100644
--- a/src/android/net/ip/IpClient.java
+++ b/src/android/net/ip/IpClient.java
@@ -46,6 +46,7 @@
 import android.net.util.InterfaceParams;
 import android.net.util.SharedLog;
 import android.os.ConditionVariable;
+import android.os.IBinder;
 import android.os.Message;
 import android.os.RemoteException;
 import android.os.SystemClock;
@@ -380,6 +381,13 @@
         public InterfaceParams getInterfaceParams(String ifname) {
             return InterfaceParams.getByName(ifname);
         }
+
+        /**
+         * Get a INetd connector.
+         */
+        public INetd getNetd(Context context) {
+            return INetd.Stub.asInterface((IBinder) context.getSystemService(Context.NETD_SERVICE));
+        }
     }
 
     public IpClient(Context context, String ifName, IIpClientCallbacks callback,
@@ -413,7 +421,7 @@
 
         // TODO: Consider creating, constructing, and passing in some kind of
         // InterfaceController.Dependencies class.
-        mNetd = mContext.getSystemService(INetd.class);
+        mNetd = deps.getNetd(mContext);
         mInterfaceCtrl = new InterfaceController(mInterfaceName, mNetd, mLog);
 
         mLinkObserver = new IpClientLinkObserver(
diff --git a/src/com/android/server/NetworkStackService.java b/src/com/android/server/NetworkStackService.java
index cedcb84..c6a207f 100644
--- a/src/com/android/server/NetworkStackService.java
+++ b/src/com/android/server/NetworkStackService.java
@@ -114,7 +114,8 @@
 
         NetworkStackConnector(Context context) {
             mContext = context;
-            mNetd = (INetd) context.getSystemService(Context.NETD_SERVICE);
+            mNetd = INetd.Stub.asInterface(
+                    (IBinder) context.getSystemService(Context.NETD_SERVICE));
             mObserverRegistry = new NetworkObserverRegistry();
             mCm = context.getSystemService(ConnectivityManager.class);
 
diff --git a/tests/src/android/net/ip/IpClientTest.java b/tests/src/android/net/ip/IpClientTest.java
index 7e57d1e..aaaff02 100644
--- a/tests/src/android/net/ip/IpClientTest.java
+++ b/tests/src/android/net/ip/IpClientTest.java
@@ -104,8 +104,8 @@
 
         when(mContext.getSystemService(eq(Context.ALARM_SERVICE))).thenReturn(mAlarm);
         when(mContext.getSystemService(eq(ConnectivityManager.class))).thenReturn(mCm);
-        when(mContext.getSystemService(INetd.class)).thenReturn(mNetd);
         when(mContext.getResources()).thenReturn(mResources);
+        when(mDependencies.getNetd(any())).thenReturn(mNetd);
         when(mResources.getInteger(R.integer.config_networkAvoidBadWifi))
                 .thenReturn(DEFAULT_AVOIDBADWIFI_CONFIG_VALUE);