Slightly wider space key for 10-inch tablet layouts

This change also removes the usage of "fillBoth" keyWidth from 10-inch
tablet layouts.

Change-Id: Ie6844fc096712daa24e09b3d67dde48d1c03eb46
diff --git a/java/res/xml-sw768dp/rows_hebrew.xml b/java/res/xml-sw768dp/rows_hebrew.xml
index beb59b4..e588b83 100644
--- a/java/res/xml-sw768dp/rows_hebrew.xml
+++ b/java/res/xml-sw768dp/rows_hebrew.xml
@@ -38,7 +38,7 @@
             latin:keyboardLayout="@xml/rowkeys_hebrew1" />
         <Key
             latin:keyStyle="deleteKeyStyle"
-            latin:keyWidth="fillBoth" />
+            latin:keyWidth="fillRight" />
     </Row>
     <Row
         latin:keyWidth="8.125%p"
@@ -51,7 +51,7 @@
             latin:keyboardLayout="@xml/rowkeys_hebrew2" />
         <Key
             latin:keyStyle="enterKeyStyle"
-            latin:keyWidth="fillBoth" />
+            latin:keyWidth="fillRight" />
         </Row>
     <Row
         latin:keyWidth="8.047%p"