Add a mic key to tablet keyboard tentatively for implementation

Bug: 3253559
Change-Id: Iba0b7488e112d5f136f6c1a7bfbeab0dac298d54
diff --git a/java/res/xml-xlarge/kbd_number.xml b/java/res/xml-xlarge/kbd_number.xml
index f5f4fbc..1198466 100644
--- a/java/res/xml-xlarge/kbd_number.xml
+++ b/java/res/xml-xlarge/kbd_number.xml
@@ -128,6 +128,9 @@
             latin:keyLabel="0" />
         <Key
             latin:keyLabel="#" />
+        <Key
+            latin:keyStyle="micKeyStyle"
+            latin:keyWidth="8.042%p" />
         <!-- There is an empty area bellow the "Enter" key and right of the "#" key.  To ignore
              the touch event on the area, "#" is intentionally not marked as a right edge key. -->
     </Row>