VPN: implement status report for legacy VPN.

Change-Id: I81c28dafd9588572df76cbc303b0d6a0f41f9bc6
diff --git a/core/java/android/net/IConnectivityManager.aidl b/core/java/android/net/IConnectivityManager.aidl
index 57f5967..d6f5643 100644
--- a/core/java/android/net/IConnectivityManager.aidl
+++ b/core/java/android/net/IConnectivityManager.aidl
@@ -23,6 +23,7 @@
 import android.os.IBinder;
 import android.os.ParcelFileDescriptor;
 
+import com.android.internal.net.LegacyVpnInfo;
 import com.android.internal.net.VpnConfig;
 
 /**
@@ -105,5 +106,7 @@
 
     ParcelFileDescriptor establishVpn(in VpnConfig config);
 
-    void doLegacyVpn(in VpnConfig config, in String[] racoon, in String[] mtpd);
+    void startLegacyVpn(in VpnConfig config, in String[] racoon, in String[] mtpd);
+
+    LegacyVpnInfo getLegacyVpnInfo();
 }