Ignore one avoid_redundant_argument_values, requires linter fix. (#109049)

Author: scheglov

dev/integration_tests/android_semantics_testing/lib/src/tests/controls_page.dart

@@ -68,6 +68,8 @@ class _SelectionControlsPageState extends State<SelectionControlsPage> {
               const Checkbox(
                 key: checkbox2Key,
                 value: false,
+                // TODO(scheglov): Requires linter fix, https://github.com/dart-lang/sdk/issues/49596.
+                // ignore: avoid_redundant_argument_values
                 onChanged: null,
               ),
             ],