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

Change-Id: Ie052e989d0180eecfc8c244ba6c60594a46103d1
diff --git a/java/res/values/keycodes.xml b/java/res/values/keycodes.xml
index cbfe896..54fa610 100644
--- a/java/res/values/keycodes.xml
+++ b/java/res/values/keycodes.xml
@@ -23,7 +23,7 @@
     <integer name="key_return">10</integer>
     <integer name="key_space">32</integer>
     <integer name="key_shift">-1</integer>
-    <integer name="key_symbol">-2</integer>
+    <integer name="key_switch_alpha_symbol">-2</integer>
     <integer name="key_delete">-5</integer>
     <!-- Keycode for F1 (function) key. This one switches between language switch & comma/.com -->
     <integer name="key_settings">-100</integer>