Change default theme to Ginger Bread "6"

Change-Id: I68d5519c03dba0f8b6344a103c5bcf4f9b18e760
diff --git a/java/res/xml/prefs.xml b/java/res/xml/prefs.xml
index 8b44dd9..0984a36 100644
--- a/java/res/xml/prefs.xml
+++ b/java/res/xml/prefs.xml
@@ -60,7 +60,7 @@
             android:persistent="true"
             android:entryValues="@array/keyboard_layout_modes_values"
             android:entries="@array/keyboard_layout_modes"
-            android:defaultValue="3"
+            android:defaultValue="6"
             />
 
     <PreferenceScreen