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

sdk/lib/_internal/pub_generated/test/cache/repair/updates_binstubs_test.dart

Index: sdk/lib/_internal/pub_generated/test/cache/repair/updates_binstubs_test.dart
diff --git a/sdk/lib/_internal/pub/test/cache/repair/updates_binstubs_test.dart b/sdk/lib/_internal/pub_generated/test/cache/repair/updates_binstubs_test.dart
similarity index 70%
copy from sdk/lib/_internal/pub/test/cache/repair/updates_binstubs_test.dart
copy to sdk/lib/_internal/pub_generated/test/cache/repair/updates_binstubs_test.dart
index 1d612a1b6162a8d6523aa8b8bc274dab54b246ea..874796e74a53e8a277114e10261ab4513e577d76 100644
--- a/sdk/lib/_internal/pub/test/cache/repair/updates_binstubs_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/cache/repair/updates_binstubs_test.dart
@@ -27,24 +27,20 @@ main() {
         "executables": {
           "foo-script": "script"
         }
-      }, contents: [
-        d.dir("bin", [
-          d.file("script.dart", "main(args) => print('ok \$args');")
-        ])
-      ]);
+      },
+          contents: [
+              d.dir("bin", [d.file("script.dart", "main(args) => print('ok \$args');")])]);
     });
 
     schedulePub(args: ["global", "activate", "foo"]);
 
-    d.dir(cachePath, [
-      d.dir('bin', [
-        d.file(binStubName('foo-script'), _OUTDATED_BINSTUB)
-      ])
-    ]).create();
+    d.dir(
+        cachePath,
+        [
+            d.dir('bin', [d.file(binStubName('foo-script'), _OUTDATED_BINSTUB)])]).create();
 
     // Repair them.
-    schedulePub(args: ["cache", "repair"],
-        output: '''
+    schedulePub(args: ["cache", "repair"], output: '''
           Downloading foo 1.0.0...
           Reinstalled 1 package.
           Reactivating foo 1.0.0...
@@ -55,11 +51,11 @@ main() {
           Reactivated 1 package.''');
 
     // The broken versions should have been replaced.
-    d.dir(cachePath, [
-      d.dir('bin', [
-        // 255 is the VM's exit code upon seeing an out-of-date snapshot.
-        d.matcherFile(binStubName('foo-script'), contains('255'))
-      ])
-    ]).validate();
+    d.dir(
+        cachePath,
+        [d.dir('bin', [// 255 is the VM's exit code upon seeing an out-of-date snapshot.
+        d.matcherFile(
+            binStubName('foo-script'),
+            contains('255'))])]).validate();
   });
 }