Tweak number and phone keyboard layout of tablet

Change-Id: Icb2f146becb7f834adba2612c9420a8f2d1e87fc
diff --git a/java/res/xml-sw600dp/kbd_phone.xml b/java/res/xml-sw600dp/kbd_phone.xml
index 2d04603..ce769b8 100644
--- a/java/res/xml-sw600dp/kbd_phone.xml
+++ b/java/res/xml-sw600dp/kbd_phone.xml
@@ -20,7 +20,7 @@
 
 <Keyboard
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
-    latin:keyWidth="16.75%p"
+    latin:keyWidth="15.00%p"
 >
     <include
         latin:keyboardLayout="@xml/kbd_rows_phone" />