Slightly wider keys for 7-inch tablet layouts

This change also removes the usage of "fillBoth" keyWidth from 7-inch
tablet layouts.

Bug: 6480505
Change-Id: I9ed58e0b49138fa9e1610c2b008798eedb19dd26
diff --git a/java/res/xml-sw600dp/rows_thai.xml b/java/res/xml-sw600dp/rows_thai.xml
index c387081..c1fe55b 100644
--- a/java/res/xml-sw600dp/rows_thai.xml
+++ b/java/res/xml-sw600dp/rows_thai.xml
@@ -24,38 +24,38 @@
     <include
         latin:keyboardLayout="@xml/key_styles_common" />
     <Row
-        latin:keyWidth="7.354%p"
+        latin:keyWidth="7.5%p"
     >
         <include
             latin:keyboardLayout="@xml/rowkeys_thai1"
-            latin:keyXPos="4.396%p" />
+            latin:keyXPos="3.75%p" />
         <Key
             latin:keyStyle="deleteKeyStyle"
             latin:keyWidth="fillRight" />
         </Row>
     <Row
-        latin:keyWidth="7.354%p"
+        latin:keyWidth="7.5%p"
     >
         <include
             latin:keyboardLayout="@xml/rowkeys_thai2"
             latin:keyXPos="0.719%p" />
     </Row>
     <Row
-        latin:keyWidth="7.354%p"
+        latin:keyWidth="7.5%p"
     >
         <include
             latin:keyboardLayout="@xml/rowkeys_thai3"
-            latin:keyXPos="4.396%p" />
+            latin:keyXPos="3.75%p" />
         <Key
             latin:keyStyle="enterKeyStyle"
-            latin:keyWidth="fillBoth" />
+            latin:keyWidth="fillRight" />
     </Row>
     <Row
-        latin:keyWidth="7.354%p"
+        latin:keyWidth="7.5%p"
     >
         <Key
             latin:keyStyle="shiftKeyStyle"
-            latin:keyWidth="11.75%p" />
+            latin:keyWidth="10.0%p" />
         <include
             latin:keyboardLayout="@xml/rowkeys_thai4" />
         <include