Pull in test_reflective_loader 0.0.4 and switch analyzer to it.

pkg/analyzer/test/generated/simple_resolver_test.dart

Index: pkg/analyzer/test/generated/simple_resolver_test.dart
diff --git a/pkg/analyzer/test/generated/simple_resolver_test.dart b/pkg/analyzer/test/generated/simple_resolver_test.dart
index dedab71e3e2de626c9daf01a6d786623442b7f1a..6486ae4d2da7d426f754b70b96fa86d7c2bc1ca0 100644
--- a/pkg/analyzer/test/generated/simple_resolver_test.dart
+++ b/pkg/analyzer/test/generated/simple_resolver_test.dart
@@ -12,16 +12,16 @@ import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/java_engine.dart';
 import 'package:analyzer/src/generated/source_io.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
 import 'package:unittest/unittest.dart';
 
-import '../reflective_tests.dart';
 import '../utils.dart';
 import 'resolver_test_case.dart';
 import 'test_support.dart';
 
 main() {
   initializeTestEnvironment();
-  runReflectiveTests(SimpleResolverTest);
+  defineReflectiveTests(SimpleResolverTest);
 }
 
 @reflectiveTest