Fix to launch sub-preference activities.

Change-Id: Ie7b5a6737b30159467d5ff5786b22107d73daedc
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 7879d0c..23dc6a7 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -71,6 +71,12 @@
             </intent-filter>
         </activity>
 
+        <activity android:name=".SubSettings"
+                android:taskAffinity="com.android.settings"
+                android:theme="@android:style/Theme.Holo"
+                >
+        </activity>
+
         <activity android:name="CreateShortcut" android:label="@string/settings_shortcut"
             android:theme="@style/Theme.CreateShortCut">
             <intent-filter>