Rename Key.keyLabel attribute to KeySpec

Change-Id: Ida48cd9bdbc01fefad651a005084262c0f46c41c
diff --git a/java/res/xml-sw600dp/rows_symbols.xml b/java/res/xml-sw600dp/rows_symbols.xml
index 7a33f49..a915c33 100644
--- a/java/res/xml-sw600dp/rows_symbols.xml
+++ b/java/res/xml-sw600dp/rows_symbols.xml
@@ -51,9 +51,9 @@
             latin:keyStyle="toMoreSymbolKeyStyle"
             latin:keyWidth="10.0%p" />
         <Key
-            latin:keyLabel="\\" />
+            latin:keySpec="\\" />
         <Key
-            latin:keyLabel="=" />
+            latin:keySpec="=" />
         <include
             latin:keyboardLayout="@xml/rowkeys_symbols3" />
         <Key