Cleanup <include/> and etc. in keyboard XML

* Remove keyXPos and keyWidth from key_*.xml and make it more generic.
* Add keyXPos and keyWidth to <include/> generalized key_*.xml.
* Remove zero width <Spacer/> and fold into successive <include/>.

Change-Id: I4b5c02a165ba0bc9ef8741be0b4938c1efaf5e27
diff --git a/java/res/xml-sw768dp/row_hebrew4.xml b/java/res/xml-sw768dp/row_hebrew4.xml
index e95d5fb..8ec7ea7 100644
--- a/java/res/xml-sw768dp/row_hebrew4.xml
+++ b/java/res/xml-sw768dp/row_hebrew4.xml
@@ -26,16 +26,16 @@
     >
         <include
             latin:keyboardLayout="@xml/key_settings" />
-        <Spacer
-            latin:keyXPos="15.157%p"
-            latin:keyWidth="0%p" />
         <include
+            latin:keyXPos="15.157%p"
             latin:keyboardLayout="@xml/keys_f1f2" />
         <include
             latin:keyboardLayout="@xml/key_space" />
         <include
             latin:keyboardLayout="@xml/keys_comma_period" />
         <include
+            latin:keyXPos="-8.047%p"
+            latin:keyWidth="fillRight"
             latin:keyboardLayout="@xml/key_shortcut" />
     </Row>
 </merge>