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

sdk/lib/_internal/pub_generated/test/global/run/recompiles_if_sdk_is_out_of_date_test.dart

Index: sdk/lib/_internal/pub_generated/test/global/run/recompiles_if_sdk_is_out_of_date_test.dart
diff --git a/sdk/lib/_internal/pub/test/global/run/recompiles_if_sdk_is_out_of_date_test.dart b/sdk/lib/_internal/pub_generated/test/global/run/recompiles_if_sdk_is_out_of_date_test.dart
similarity index 53%
copy from sdk/lib/_internal/pub/test/global/run/recompiles_if_sdk_is_out_of_date_test.dart
copy to sdk/lib/_internal/pub_generated/test/global/run/recompiles_if_sdk_is_out_of_date_test.dart
index bb38dd7da86f347c34ce99d304acf244376f4590..1579ed58c5c35fde435eea28fc0894c92e11f045 100644
--- a/sdk/lib/_internal/pub/test/global/run/recompiles_if_sdk_is_out_of_date_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/global/run/recompiles_if_sdk_is_out_of_date_test.dart
@@ -12,22 +12,24 @@ main() {
   initConfig();
   integration('recompiles a script if the SDK version is out-of-date', () {
     servePackages((builder) {
-      builder.serve("foo", "1.0.0", contents: [
-        d.dir("bin", [
-          d.file("script.dart", "main(args) => print('ok');")
-        ])
-      ]);
+      builder.serve(
+          "foo",
+          "1.0.0",
+          contents: [
+              d.dir("bin", [d.file("script.dart", "main(args) => print('ok');")])]);
     });
 
     schedulePub(args: ["global", "activate", "foo"]);
 
-    d.dir(cachePath, [
-      d.dir('global_packages', [
-        d.dir('foo', [
-          d.dir('bin', [d.outOfDateSnapshot('script.dart.snapshot')])
-        ])
-      ])
-    ]).create();
+    d.dir(
+        cachePath,
+        [
+            d.dir(
+                'global_packages',
+                [
+                    d.dir(
+                        'foo',
+                        [d.dir('bin', [d.outOfDateSnapshot('script.dart.snapshot')])])])]).create();
 
     var pub = pubRun(global: true, args: ["foo:script"]);
     // In the real world this would just print "hello!", but since we collect
@@ -36,14 +38,17 @@ main() {
     pub.stdout.expect(consumeThrough("ok"));
     pub.shouldExit();
 
-    d.dir(cachePath, [
-      d.dir('global_packages', [
-        d.dir('foo', [
-          d.dir('bin', [
-            d.matcherFile('script.dart.snapshot', contains('ok'))
-          ])
-        ])
-      ])
-    ]).validate();
+    d.dir(
+        cachePath,
+        [
+            d.dir(
+                'global_packages',
+                [
+                    d.dir(
+                        'foo',
+                        [
+                            d.dir(
+                                'bin',
+                                [d.matcherFile('script.dart.snapshot', contains('ok'))])])])]).validate();
   });
 }