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

sdk/lib/_internal/pub_generated/lib/src/command/get.dart

Index: sdk/lib/_internal/pub_generated/lib/src/command/get.dart
diff --git a/sdk/lib/_internal/pub/lib/src/command/get.dart b/sdk/lib/_internal/pub_generated/lib/src/command/get.dart
similarity index 82%
copy from sdk/lib/_internal/pub/lib/src/command/get.dart
copy to sdk/lib/_internal/pub_generated/lib/src/command/get.dart
index d2fc51311eceb0ef09faf2ec7a73c02815b5f6f3..70f75184ca0d4b52561608a1edb821d3bf735817 100644
--- a/sdk/lib/_internal/pub/lib/src/command/get.dart
+++ b/sdk/lib/_internal/pub_generated/lib/src/command/get.dart
@@ -19,15 +19,20 @@ class GetCommand extends PubCommand {
   bool get isOffline => argResults["offline"];
 
   GetCommand() {
-    argParser.addFlag('offline',
+    argParser.addFlag(
+        'offline',
         help: 'Use cached packages instead of accessing the network.');
 
-    argParser.addFlag('dry-run', abbr: 'n', negatable: false,
+    argParser.addFlag(
+        'dry-run',
+        abbr: 'n',
+        negatable: false,
         help: "Report what dependencies would change but don't change any.");
   }
 
   Future run() {
-    return entrypoint.acquireDependencies(SolveType.GET,
+    return entrypoint.acquireDependencies(
+        SolveType.GET,
         dryRun: argResults['dry-run']);
   }
 }