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

sdk/lib/_internal/pub_generated/test/global/list_test.dart

Index: sdk/lib/_internal/pub_generated/test/global/list_test.dart
diff --git a/sdk/lib/_internal/pub/test/global/list_test.dart b/sdk/lib/_internal/pub_generated/test/global/list_test.dart
similarity index 78%
copy from sdk/lib/_internal/pub/test/global/list_test.dart
copy to sdk/lib/_internal/pub_generated/test/global/list_test.dart
index 782c9b0fd452f06060d78f02e2c50a22d86e4200..f11489636f436ea8d04aaa1c93380f3512429844 100644
--- a/sdk/lib/_internal/pub/test/global/list_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/global/list_test.dart
@@ -24,32 +24,30 @@ main() {
   integration('lists an activated Git package', () {
     ensureGit();
 
-    d.git('foo.git', [
-      d.libPubspec('foo', '1.0.0'),
-      d.dir('bin', [
-        d.file('foo.dart', 'main() => print("ok");')
-      ])
-    ]).create();
+    d.git(
+        'foo.git',
+        [
+            d.libPubspec('foo', '1.0.0'),
+            d.dir('bin', [d.file('foo.dart', 'main() => print("ok");')])]).create();
 
     schedulePub(args: ['global', 'activate', '-sgit', '../foo.git']);
 
-    schedulePub(args: ['global', 'list'],
+    schedulePub(
+        args: ['global', 'list'],
         output: 'foo 1.0.0 from Git repository "../foo.git"');
   });
 
   integration('lists an activated Path package', () {
-    d.dir('foo', [
-      d.libPubspec('foo', '1.0.0'),
-      d.dir('bin', [
-        d.file('foo.dart', 'main() => print("ok");')
-      ])
-    ]).create();
+    d.dir(
+        'foo',
+        [
+            d.libPubspec('foo', '1.0.0'),
+            d.dir('bin', [d.file('foo.dart', 'main() => print("ok");')])]).create();
 
     schedulePub(args: ['global', 'activate', '-spath', '../foo']);
 
     var path = canonicalize(p.join(sandboxDir, 'foo'));
-    schedulePub(args: ['global', 'list'],
-        output: 'foo 1.0.0 at path "$path"');
+    schedulePub(args: ['global', 'list'], output: 'foo 1.0.0 at path "$path"');
   });
 
   integration('lists activated packages in alphabetical order', () {