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

sdk/lib/_internal/pub_generated/test/deps_test.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:scheduled_test/scheduled_test.dart';
 
 import 'descriptor.dart' as d;
 import 'test_pub.dart';
 
 main() {
   initConfig();
 
   setUp(() {
     servePackages((builder) {
       builder.serve("normal", "1.2.3", deps: {
         "transitive": "any",
         "circular_a": "any"
       });
-      builder.serve("transitive", "1.2.3", deps: {"shared": "any"});
-      builder.serve("shared", "1.2.3", deps: {"other": "any"});
-      builder.serve("unittest", "1.2.3", deps: {"shared": "any"});
+      builder.serve("transitive", "1.2.3", deps: {
+        "shared": "any"
+      });
+      builder.serve("shared", "1.2.3", deps: {
+        "other": "any"
+      });
+      builder.serve("unittest", "1.2.3", deps: {
+        "shared": "any"
+      });
       builder.serve("other", "1.0.0");
       builder.serve("overridden", "1.0.0");
       builder.serve("overridden", "2.0.0");
       builder.serve("override_only", "1.2.3");
-      builder.serve("circular_a", "1.2.3", deps: {"circular_b": "any"});
-      builder.serve("circular_b", "1.2.3", deps: {"circular_a": "any"});
+      builder.serve("circular_a", "1.2.3", deps: {
+        "circular_b": "any"
+      });
+      builder.serve("circular_b", "1.2.3", deps: {
+        "circular_a": "any"
+      });
     });
 
-    d.dir("from_path", [
-      d.libDir("from_path"),
-      d.libPubspec("from_path", "1.2.3")
-    ]).create();
+    d.dir(
+        "from_path",
+        [d.libDir("from_path"), d.libPubspec("from_path", "1.2.3")]).create();
 
-    d.dir(appPath, [
-      d.pubspec({
+    d.dir(appPath, [d.pubspec({
         "name": "myapp",
         "dependencies": {
           "normal": "any",
           "overridden": "1.0.0",
-          "from_path": {"path": "../from_path"}
+          "from_path": {
+            "path": "../from_path"
+          }
         },
         "dev_dependencies": {
           "unittest": "any"
         },
         "dependency_overrides": {
           "overridden": "2.0.0",
           "override_only": "any"
         }
-      })
-    ]).create();
+      })]).create();
   });
 
   integration("lists dependencies in compact form", () {
     pubGet();
     schedulePub(args: ['deps', '-s', 'compact'], output: '''
         myapp 0.0.0
 
         dependencies:
         - from_path 1.2.3
         - normal 1.2.3 [transitive circular_a]
@@ skipping 59 matching lines @@
         |   |       '-- circular_a...
         |   '-- transitive 1.2.3
         |       '-- shared...
         |-- overridden 2.0.0
         |-- override_only 1.2.3
         '-- unittest 1.2.3
             '-- shared 1.2.3
                 '-- other 1.0.0
         ''');
   });
-}
+}