Tweak 7 inch layout a bit

* For 10-9-7 (qwerty, qwertz), keys' width are 9.0%-9.0%-9.0%
* For 10-10-7 (azerty, hebrew, spanish), keys' width are 8.5%-8.5%-8.5%
* For 11-11-{7,8} (arabic, bulgarian, nordic), keys' width are 7.6%-7.6%-7.6%
* For {11,12}-11-9 (south_slavic, east_slavic), keys' width are 7.6%-7.6%-7.363%

Change-Id: Ife4ce0ac587bd179afcfce0cb5dffb8d82fee4f1
diff --git a/java/res/xml-sw600dp/rows_bulgarian.xml b/java/res/xml-sw600dp/rows_bulgarian.xml
index cabd1e6..a3b77cc 100644
--- a/java/res/xml-sw600dp/rows_bulgarian.xml
+++ b/java/res/xml-sw600dp/rows_bulgarian.xml
@@ -24,7 +24,7 @@
     <include
         latin:keyboardLayout="@xml/key_styles_common" />
     <Row
-        latin:keyWidth="7.692%p"
+        latin:keyWidth="7.6%p"
     >
         <include
             latin:keyboardLayout="@xml/rowkeys_bulgarian1"
@@ -34,28 +34,28 @@
             latin:keyWidth="fillBoth" />
     </Row>
     <Row
-        latin:keyWidth="7.692%p"
+        latin:keyWidth="7.6%p"
     >
         <include
             latin:keyboardLayout="@xml/rowkeys_bulgarian2"
-            latin:keyXPos="4.000%p" />
+            latin:keyXPos="4.500%p" />
         <Key
             latin:keyStyle="enterKeyStyle"
             latin:keyWidth="fillBoth" />
     </Row>
     <Row
-        latin:keyWidth="7.692%p"
+        latin:keyWidth="7.6%p"
     >
         <Key
             latin:keyStyle="shiftKeyStyle"
-            latin:keyWidth="10.000%p" />
+            latin:keyWidth="10.0%p" />
         <include
             latin:keyboardLayout="@xml/rowkeys_bulgarian3" />
         <include
             latin:keyboardLayout="@xml/keys_comma_period" />
         <include
             latin:keyboardLayout="@xml/key_smiley"
-            latin:keyXPos="-8.9%p"
+            latin:keyXPos="-9.0%p"
             latin:keyWidth="fillRight" />
     </Row>
     <include