Fixed an APN grey out issue

Bug: 18377054
Change-Id: I79ce637725e93569903ff3557d0688c4fee47233
diff --git a/src/com/android/phone/MobileNetworkSettings.java b/src/com/android/phone/MobileNetworkSettings.java
index cc5867c..02632de 100644
--- a/src/com/android/phone/MobileNetworkSettings.java
+++ b/src/com/android/phone/MobileNetworkSettings.java
@@ -630,8 +630,6 @@
                 //Set the modem network mode
                 mPhone.setPreferredNetworkType(modemNetworkMode, mHandler
                         .obtainMessage(MyHandler.MESSAGE_SET_PREFERRED_NETWORK_TYPE));
-
-                updateBody();
             }
         } else if (preference == mButtonEnabledNetworks) {
             mButtonEnabledNetworks.setValue((String) objValue);
@@ -706,6 +704,7 @@
             return true;
         }
 
+        updateBody();
         // always let the preference setting proceed.
         return true;
     }