Add noSettingsKey private IME option

Change-Id: Idf74aa32c9ea565fa6771013e2d37ee952c83a57
diff --git a/java/res/xml-xlarge/kbd_symbols.xml b/java/res/xml-xlarge/kbd_symbols.xml
index 640dd09..ab5adce 100644
--- a/java/res/xml-xlarge/kbd_symbols.xml
+++ b/java/res/xml-xlarge/kbd_symbols.xml
@@ -167,8 +167,16 @@
     >
         <Spacer
             latin:horizontalGap="8.362%p" />
-        <Key
-            latin:keyStyle="settingsKeyStyle" />
+        <switch>
+            <case latin:hasSettingsKey="true">
+                <Key
+                    latin:keyStyle="settingsKeyStyle" />
+            </case>
+            <default>
+                <Spacer
+                    latin:horizontalGap="8.042%p" />
+            </default>
+        </switch>
         <Key
             latin:keyLabel="/" />
         <Key