SDK implementations based on file_system rather than java_io

pkg/analyzer/test/src/dart/sdk/test_all.dart

Index: pkg/analyzer/test/src/dart/sdk/test_all.dart
diff --git a/pkg/analyzer/test/src/task/strong/test_all.dart b/pkg/analyzer/test/src/dart/sdk/test_all.dart
similarity index 62%
copy from pkg/analyzer/test/src/task/strong/test_all.dart
copy to pkg/analyzer/test/src/dart/sdk/test_all.dart
index 698e2ae151c54e3a96be71ab1271938846a53063..8052c9edeba4a5a05599efb17b42d3d43ff766ee 100644
--- a/pkg/analyzer/test/src/task/strong/test_all.dart
+++ b/pkg/analyzer/test/src/dart/sdk/test_all.dart
@@ -2,19 +2,17 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-library analyzer.test.src.task.strong.test_all;
+library analyzer.test.src.dart.sdk.test_all;
 
 import 'package:unittest/unittest.dart';
 
 import '../../../utils.dart';
-import 'checker_test.dart' as checker_test;
-import 'inferred_type_test.dart' as inferred_type_test;
+import 'sdk_test.dart' as sdk;
 
 /// Utility for manually running all tests.
 main() {
   initializeTestEnvironment();
-  group('strong tests', () {
-    checker_test.main();
-    inferred_type_test.main();
+  group('sdk tests', () {
+    sdk.main();
   });
 }