Add keyboard color switch option

Bug: 11622614
Change-Id: I25aa1ff7376fe72fd94ab2cb7190c61d7a98a1af
diff --git a/java/res/values/config.xml b/java/res/values/config.xml
index 8f6c125..61779d4 100644
--- a/java/res/values/config.xml
+++ b/java/res/values/config.xml
@@ -41,7 +41,7 @@
     <integer name="config_keyboard_grid_width">32</integer>
     <integer name="config_keyboard_grid_height">16</integer>
     <integer name="config_double_space_period_timeout">1100</integer>
-    <!-- This configuration is the index of the array {@link KeyboardSwitcher.KEYBOARD_THEMES}. -->
+    <!-- This configuration is an index of  {@link KeyboardSwitcher#KEYBOARD_THEMES[]}. -->
     <string name="config_default_keyboard_theme_index" translatable="false">2</string>
     <integer name="config_max_more_keys_column">5</integer>