Tidy up 10-10-7 7-inch tablet layouts

Bug: 6422448
Change-Id: I0c1721462572da7be7850d670c4f86d0c18cb610
diff --git a/java/res/xml-sw600dp/rows_colemak.xml b/java/res/xml-sw600dp/rows_colemak.xml
index b34957c..a943818 100644
--- a/java/res/xml-sw600dp/rows_colemak.xml
+++ b/java/res/xml-sw600dp/rows_colemak.xml
@@ -39,8 +39,7 @@
         latin:keyWidth="8.5%p"
     >
         <include
-            latin:keyboardLayout="@xml/rowkeys_colemak2"
-            latin:keyXPos="4.5%p" />
+            latin:keyboardLayout="@xml/rowkeys_colemak2" />
         <Key
             latin:keyStyle="enterKeyStyle"
             latin:keyWidth="fillBoth" />
@@ -50,14 +49,14 @@
     >
         <Key
             latin:keyStyle="shiftKeyStyle"
-            latin:keyWidth="10.0%p" />
+            latin:keyWidth="11.75%p" />
         <include
             latin:keyboardLayout="@xml/rowkeys_colemak3" />
         <include
             latin:keyboardLayout="@xml/keys_comma_period" />
         <Key
             latin:keyStyle="shiftKeyStyle"
-            latin:keyXPos="-10.0%p"
+            latin:keyXPos="-11.75%p"
             latin:keyWidth="fillRight" />
     </Row>
     <include