Support <key-style/> and keyStyle attribute for Keyboard XML

Change-Id: Ie052e989d0180eecfc8c244ba6c60594a46103d1
diff --git a/java/res/xml/kbd_symbols.xml b/java/res/xml/kbd_symbols.xml
index 55b7681..e9df816 100644
--- a/java/res/xml/kbd_symbols.xml
+++ b/java/res/xml/kbd_symbols.xml
@@ -25,6 +25,8 @@
     latin:verticalGap="@dimen/key_bottom_gap"
     latin:keyHeight="@dimen/key_height"
 >
+    <include
+        latin:keyboardLayout="@xml/kbd_functional_key_style" />
     <Row
         latin:rowEdgeFlags="top"
     >
@@ -105,11 +107,8 @@
     </Row>
     <Row>
         <Key
-            latin:codes="@integer/key_shift"
-            latin:keyLabel="@string/label_alt_key"
+            latin:keyStyle="altKeyStyle"
             latin:keyWidth="15%p"
-            latin:isModifier="true"
-            latin:isSticky="true"
             latin:keyEdgeFlags="left" />
         <Key
             latin:keyLabel="!"
@@ -134,12 +133,8 @@
             latin:popupKeyboard="@xml/kbd_popup_template"
             latin:popupCharacters="¿" />
         <Key
-            latin:codes="@integer/key_delete"
-            latin:keyIcon="@drawable/sym_keyboard_delete"
-            latin:iconPreview="@drawable/sym_keyboard_feedback_delete"
+            latin:keyStyle="deleteKeyStyle"
             latin:keyWidth="15%p"
-            latin:isModifier="true"
-            latin:isRepeatable="true"
             latin:keyEdgeFlags="right" />
     </Row>
     <include latin:keyboardLayout="@xml/kbd_symbols_row4" />