Fix erroneous LXX theme text color mappings

keyTextInactivatedColor and functionalTextColor were wrongly
assigned, eventhough correct definitions already exist.

Change-Id: I06694447ee22fb609267aa2256a36a2585ad6b3f

Author: vware

java/res/values/themes-lxx-dark.xml

@@ -47,8 +47,8 @@
         <item name="functionalKeyBackground">@drawable/btn_keyboard_key_functional_lxx_dark</item>
         <item name="spacebarBackground">@drawable/btn_keyboard_spacebar_lxx_dark</item>
         <item name="keyTextColor">@color/key_text_color_lxx_dark</item>
-        <item name="keyTextInactivatedColor">@color/key_functional_text_color_lxx_dark</item>
-        <item name="functionalTextColor">@color/key_text_color_lxx_dark</item>
+        <item name="keyTextInactivatedColor">@color/key_text_inactive_color_lxx_dark</item>
+        <item name="functionalTextColor">@color/key_functional_text_color_lxx_dark</item>
         <item name="keyHintLetterColor">@color/key_hint_letter_color_lxx_dark</item>
         <item name="keyHintLabelColor">@color/key_text_inactive_color_lxx_dark</item>
         <item name="keyShiftedLetterHintInactivatedColor">@color/key_text_inactive_color_lxx_dark</item>