Revert "Use native async/await support in pub."

sdk/lib/_internal/pub_generated/test/dart2js/output_can_be_consumed_by_successive_phases.dart

Index: sdk/lib/_internal/pub_generated/test/dart2js/output_can_be_consumed_by_successive_phases.dart
diff --git a/sdk/lib/_internal/pub/test/dart2js/output_can_be_consumed_by_successive_phases.dart b/sdk/lib/_internal/pub_generated/test/dart2js/output_can_be_consumed_by_successive_phases.dart
similarity index 83%
copy from sdk/lib/_internal/pub/test/dart2js/output_can_be_consumed_by_successive_phases.dart
copy to sdk/lib/_internal/pub_generated/test/dart2js/output_can_be_consumed_by_successive_phases.dart
index 2c278c521a143ef57fc2d9f5bcf0414891532a63..76953f60217075a497ef138b9767d035ea409422 100644
--- a/sdk/lib/_internal/pub/test/dart2js/output_can_be_consumed_by_successive_phases.dart
+++ b/sdk/lib/_internal/pub_generated/test/dart2js/output_can_be_consumed_by_successive_phases.dart
@@ -30,16 +30,14 @@ main() {
   initConfig();
   withBarbackVersions("any", () {
     integration("output can be consumed by successive phases", () {
-      d.dir(appPath, [
-        d.pubspec({
+      d.dir(appPath, [d.pubspec({
           "name": "myapp",
           "transformers": ["\$dart2js", "myapp/src/transformer"]
         }),
-        d.dir("lib", [d.dir("src", [
-          d.file("transformer.dart", JS_REWRITE_TRANSFORMER)
-        ])]),
-        d.dir("web", [d.file("main.dart", "void main() {}")])
-      ]).create();
+            d.dir(
+                "lib",
+                [d.dir("src", [d.file("transformer.dart", JS_REWRITE_TRANSFORMER)])]),
+            d.dir("web", [d.file("main.dart", "void main() {}")])]).create();
 
       createLockFile('myapp', pkg: ['barback']);