Pull in test_reflective_loader 0.0.4 and switch analyzer to it.

pkg/analyzer/test/context/declared_variables_test.dart

Index: pkg/analyzer/test/context/declared_variables_test.dart
diff --git a/pkg/analyzer/test/context/declared_variables_test.dart b/pkg/analyzer/test/context/declared_variables_test.dart
index 3a33003606c43498d9980156b426fb23df52894c..90078558fc903f839ba2d229dcf5f13b1e5032a6 100644
--- a/pkg/analyzer/test/context/declared_variables_test.dart
+++ b/pkg/analyzer/test/context/declared_variables_test.dart
@@ -8,15 +8,15 @@ import 'package:analyzer/context/declared_variables.dart';
 import 'package:analyzer/dart/element/type.dart';
 import 'package:analyzer/src/generated/constant.dart';
 import 'package:analyzer/src/generated/testing/test_type_provider.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
 import 'package:unittest/unittest.dart';
 
 import '../generated/test_support.dart';
-import '../reflective_tests.dart';
 import '../utils.dart';
 
 main() {
   initializeTestEnvironment();
-  runReflectiveTests(DeclaredVariablesTest);
+  defineReflectiveTests(DeclaredVariablesTest);
 }
 
 @reflectiveTest