ATT Entitlement changes in Settings to pass Tether Type.

ATT has different provisioning servers for BT,Wifi and USB Tethering and
Entitlement app need the type of Tethering to be passed before provisioning
request goes out.

Bug:17640036

Change-Id: I6683a747e1925716575ba683aeefc644ced7e37f

src/com/android/settings/TetherSettings.java

@@ -64,6 +64,7 @@ public class TetherSettings extends SettingsPreferenceFragment
     private static final String USB_TETHER_SETTINGS = "usb_tether_settings";
     private static final String ENABLE_WIFI_AP = "enable_wifi_ap";
     private static final String ENABLE_BLUETOOTH_TETHERING = "enable_bluetooth_tethering";
+    private static final String TETHER_CHOICE = "TETHER_TYPE";
 
     private static final int DIALOG_AP_SETTINGS = 1;
 
@@ -117,6 +118,10 @@ public class TetherSettings extends SettingsPreferenceFragment
     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
+
+        if(icicle != null) {
+            mTetherChoice = icicle.getInt(TETHER_CHOICE);
+        }
         addPreferencesFromResource(R.xml.tether_prefs);
 
         mUm = (UserManager) getSystemService(Context.USER_SERVICE);
@@ -180,6 +185,12 @@ public class TetherSettings extends SettingsPreferenceFragment
         mView = new WebView(activity);
     }
 
+    @Override
+    public void onSaveInstanceState(Bundle savedInstanceState) {
+        savedInstanceState.putInt(TETHER_CHOICE, mTetherChoice);
+        super.onSaveInstanceState(savedInstanceState);
+    }
+
     private void initWifiTethering() {
         final Activity activity = getActivity();
         mWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
@@ -472,6 +483,7 @@ public class TetherSettings extends SettingsPreferenceFragment
         if (isProvisioningNeeded()) {
             Intent intent = new Intent(Intent.ACTION_MAIN);
             intent.setClassName(mProvisionApp[0], mProvisionApp[1]);
+            intent.putExtra(TETHER_CHOICE, mTetherChoice);
             startActivityForResult(intent, PROVISION_REQUEST);
         } else {
             startTethering();