Update the theme pref key.

Follow up to Ia139813b

Change-Id: Ic4c2ea63041af02119dc404e704a04608d041163
diff --git a/java/res/xml/prefs_for_debug.xml b/java/res/xml/prefs_for_debug.xml
index 2dad171..80613a5 100644
--- a/java/res/xml/prefs_for_debug.xml
+++ b/java/res/xml/prefs_for_debug.xml
@@ -27,7 +27,7 @@
             />
 
     <ListPreference
-            android:key="pref_keyboard_layout_20100902"
+            android:key="pref_keyboard_layout_20110916"
             android:title="@string/keyboard_layout"
             android:persistent="true"
             android:entryValues="@array/keyboard_layout_modes_values"
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java b/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
index 309f03d..2d12369 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
@@ -49,7 +49,7 @@
     private static final boolean DEBUG_CACHE = LatinImeLogger.sDBG;
     public static final boolean DEBUG_STATE = false;
 
-    public static final String PREF_KEYBOARD_LAYOUT = "pref_keyboard_layout_20100902";
+    public static final String PREF_KEYBOARD_LAYOUT = "pref_keyboard_layout_20110916";
     private static final int[] KEYBOARD_THEMES = {
         R.style.KeyboardTheme,
         R.style.KeyboardTheme_HighContrast,
@@ -182,8 +182,7 @@
 
     private static int getKeyboardThemeIndex(Context context, SharedPreferences prefs) {
         final String defaultThemeId = context.getString(R.string.config_default_keyboard_theme_id);
-        final String themeId = Settings.ENABLE_EXPERIMENTAL_SETTINGS
-                ? prefs.getString(PREF_KEYBOARD_LAYOUT, defaultThemeId) : defaultThemeId;
+        final String themeId = prefs.getString(PREF_KEYBOARD_LAYOUT, defaultThemeId);
         try {
             final int themeIndex = Integer.valueOf(themeId);
             if (themeIndex >= 0 && themeIndex < KEYBOARD_THEMES.length)