Support "nm" (no mic) privateImeOptions

Bug: 3331635
Change-Id: Ide160b9317c8f7d966f879dd460640fc4f894e9b
diff --git a/java/res/xml-xlarge/kbd_symbols.xml b/java/res/xml-xlarge/kbd_symbols.xml
index 50b8e53..d804f79 100644
--- a/java/res/xml-xlarge/kbd_symbols.xml
+++ b/java/res/xml-xlarge/kbd_symbols.xml
@@ -162,7 +162,13 @@
             latin:popupCharacters="“,”,«,»,˝" />
         <Key
             latin:keyLabel="_" />
-        <Key
-            latin:keyStyle="micKeyStyle" />
+        <switch>
+            <case
+                latin:voiceKeyEnabled="true"
+            >
+                <Key
+                    latin:keyStyle="micKeyStyle" />
+            </case>
+        </switch>
     </Row>
 </Keyboard>