Add LinkAddress

LinkAddress stores IP address + prefix for a network link

Change-Id: Id3e74e9d0a62121d097ebdc9be064eeea257ba1f
diff --git a/services/java/com/android/server/TelephonyRegistry.java b/services/java/com/android/server/TelephonyRegistry.java
index a33b7c294..2b4845b 100644
--- a/services/java/com/android/server/TelephonyRegistry.java
+++ b/services/java/com/android/server/TelephonyRegistry.java
@@ -584,9 +584,9 @@
         }
         if (linkProperties != null) {
             intent.putExtra(Phone.DATA_LINK_PROPERTIES_KEY, linkProperties);
-            NetworkInterface iface = linkProperties.getInterface();
+            String iface = linkProperties.getInterfaceName();
             if (iface != null) {
-                intent.putExtra(Phone.DATA_IFACE_NAME_KEY, iface.getName());
+                intent.putExtra(Phone.DATA_IFACE_NAME_KEY, iface);
             }
         }
         if (linkCapabilities != null) {