Bug 905955 - B2G RIL: mms data connection does not get disconnected. r=vicamo

dom/system/gonk/RadioInterfaceLayer.js

@@ -3232,6 +3232,8 @@ RadioInterface.prototype = {
 function RILNetworkInterface(radioInterface, apnSetting) {
   this.radioInterface = radioInterface;
   this.apnSetting = apnSetting;
+
+  this.connectedTypes = [];
 }
 
 RILNetworkInterface.prototype = {
@@ -3402,12 +3404,12 @@ RILNetworkInterface.prototype = {
   registeredAsDataCallCallback: false,
   registeredAsNetworkInterface: false,
   connecting: false,
-  apnSetting: {},
+  apnSetting: null,
 
   // APN failed connections. Retry counter
   apnRetryCounter: 0,
 
-  connectedTypes: [],
+  connectedTypes: null,
 
   inConnectedTypes: function inConnectedTypes(type) {
     return this.connectedTypes.indexOf(type) != -1;