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

sdk/lib/_internal/pub_generated/test/build/can_specify_output_directory_test.dart

Index: sdk/lib/_internal/pub_generated/test/build/can_specify_output_directory_test.dart
diff --git a/sdk/lib/_internal/pub/test/build/can_specify_output_directory_test.dart b/sdk/lib/_internal/pub_generated/test/build/can_specify_output_directory_test.dart
similarity index 62%
copy from sdk/lib/_internal/pub/test/build/can_specify_output_directory_test.dart
copy to sdk/lib/_internal/pub_generated/test/build/can_specify_output_directory_test.dart
index 9264ea74cb90c9e887b40a43965c5464eae21745..fac70030881f1d7ad6d1be0f73c41f03cc3d6df8 100644
--- a/sdk/lib/_internal/pub/test/build/can_specify_output_directory_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/build/can_specify_output_directory_test.dart
@@ -13,25 +13,20 @@ import '../test_pub.dart';
 main() {
   initConfig();
   integration("can specify the output directory to build into", () {
-    d.dir(appPath, [
-      d.appPubspec(),
-      d.dir('web', [
-        d.file('file.txt', 'web')
-      ])
-    ]).create();
+    d.dir(
+        appPath,
+        [d.appPubspec(), d.dir('web', [d.file('file.txt', 'web')])]).create();
 
     var outDir = path.join("out", "dir");
-    schedulePub(args: ["build", "-o", outDir],
+    schedulePub(
+        args: ["build", "-o", outDir],
         output: contains('Built 1 file to "$outDir".'));
 
-    d.dir(appPath, [
-      d.dir("out", [
-        d.dir("dir", [
-          d.dir("web", [
-            d.file("file.txt", "web")
-          ]),
-        ])
-      ])
-    ]).validate();
+    d.dir(
+        appPath,
+        [
+            d.dir(
+                "out",
+                [d.dir("dir", [d.dir("web", [d.file("file.txt", "web")]),])])]).validate();
   });
 }