Support colorScheme <case/> condition in Keyboard XML

Change-Id: Ibbfb99e0e2b15df301f83af6739b7bca01ebf490
diff --git a/java/res/xml/kbd_symbols.xml b/java/res/xml/kbd_symbols.xml
index e9df816..7264179 100644
--- a/java/res/xml/kbd_symbols.xml
+++ b/java/res/xml/kbd_symbols.xml
@@ -26,7 +26,7 @@
     latin:keyHeight="@dimen/key_height"
 >
     <include
-        latin:keyboardLayout="@xml/kbd_functional_key_style" />
+        latin:keyboardLayout="@xml/kbd_key_styles" />
     <Row
         latin:rowEdgeFlags="top"
     >