Rename keyboard XML files

* Slavic to East Slavic
* Serbian to South Slavic
* Scandinavian to Nordic

Bug: 6150183
Change-Id: I8f5641aa07b83cbb225f5fd73e351a6f8abe0784
diff --git a/java/res/xml-mk/keyboard_set.xml b/java/res/xml-mk/keyboard_set.xml
index 31199cb..5eabe8c 100644
--- a/java/res/xml-mk/keyboard_set.xml
+++ b/java/res/xml-mk/keyboard_set.xml
@@ -23,7 +23,7 @@
     latin:keyboardLocale="mk">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_serbian" />
+        latin:elementKeyboard="@xml/kbd_south_slavic" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />