Reflect name change done in Phone package

I5d152bf7c55fb2f7b changes Phone's "Settings" class to
"MobileNetworkSettings", so WirelessSettings also needs to point
the new class name.

Change-Id: I994c6278c0c1a7cb2ae33cdb94f32083ce146045
diff --git a/res/xml/wireless_settings.xml b/res/xml/wireless_settings.xml
index 336682d..e48ac2d 100644
--- a/res/xml/wireless_settings.xml
+++ b/res/xml/wireless_settings.xml
@@ -66,7 +66,7 @@
         <intent
             android:action="android.intent.action.MAIN"
             android:targetPackage="com.android.phone"
-            android:targetClass="com.android.phone.Settings" />
+            android:targetClass="com.android.phone.MobileNetworkSettings" />
     </PreferenceScreen>
 
     <PreferenceScreen