Move mobile data dis/enable to Telephony

ConnectivityService doesn't do this anymore.

bug:15077247
Change-Id: I3208c91b2c0369b594987f39ca29da7478435513

src/com/android/settings/RadioInfo.java

@@ -22,7 +22,6 @@ import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.content.res.Resources;
-import android.net.ConnectivityManager;
 import android.net.TrafficStats;
 import android.net.Uri;
 import android.os.AsyncResult;
@@ -917,15 +916,13 @@ public class RadioInfo extends Activity {
 
     private MenuItem.OnMenuItemClickListener mToggleData = new MenuItem.OnMenuItemClickListener() {
         public boolean onMenuItemClick(MenuItem item) {
-            ConnectivityManager cm =
-                    (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
             int state = mTelephonyManager.getDataState();
             switch (state) {
                 case TelephonyManager.DATA_CONNECTED:
-                    cm.setMobileDataEnabled(false);
+                    phone.setDataEnabled(false);
                     break;
                 case TelephonyManager.DATA_DISCONNECTED:
-                    cm.setMobileDataEnabled(true);
+                    phone.setDataEnabled(true);
                     break;
                 default:
                     // do nothing