Version 2.12.0-199.0.dev

Merge commit '26805bc63631b60de9ec31049ce93f6df3e17fde' into 'dev'
diff --git a/tests/dart2js/native/internal_library_test.dart b/tests/dart2js/native/internal_library_test.dart
deleted file mode 100644
index 7f81f6c..0000000
--- a/tests/dart2js/native/internal_library_test.dart
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
-// 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.
-
-// Test that a private library can be accessed from libraries in this special
-// test folder.
-
-import 'dart:_js_helper';
-
-void main() {
-  print(loadDeferredLibrary);
-}
diff --git a/tests/dart2js_2/native/internal_library_test.dart b/tests/dart2js_2/native/internal_library_test.dart
deleted file mode 100644
index e08339c..0000000
--- a/tests/dart2js_2/native/internal_library_test.dart
+++ /dev/null
@@ -1,14 +0,0 @@
-// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
-// 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.
-
-// @dart = 2.7
-
-// Test that a private library can be accessed from libraries in this special
-// test folder.
-
-import 'dart:_js_helper';
-
-void main() {
-  print(loadDeferredLibrary);
-}
diff --git a/tools/VERSION b/tools/VERSION
index 02f8b93..37672af 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -27,5 +27,5 @@
 MAJOR 2
 MINOR 12
 PATCH 0
-PRERELEASE 198
+PRERELEASE 199
 PRERELEASE_PATCH 0
\ No newline at end of file