accessibility: Calling String.toString()

Change-Id: I125d2c337df606c6388ddbd41030e51a558ad054
Reviewed-on: https://gerrit.libreoffice.org/11920Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>

toolkit/test/accessibility/AccessibilityTree.java

@@ -265,7 +265,7 @@ public class AccessibilityTree
                         for( int i = 0; i < aActions.size(); i++ )
                         {
                             aMenu.add( new NodeAction(
-                                           aActions.get(i).toString(),
+                                           aActions.get(i),
                                            aNode, i ) );
                         }
                     }