Fix async autocomplete super filter call

Author: shai-almog

maven/core-unittests/src/test/java/com/codename1/samples/AutocompleteAsyncSampleTest.java

@@ -205,7 +205,7 @@ public void run() {
                             options.addItem(city);
                         }
                     }
-                    super.filter(filterText);
+                    AsyncAutoCompleteField.super.filter(filterText);
                     pendingText.set(null);
                     updateFilterList();
                 }