fix lints for directives_ordering rule (#8382)
diff --git a/packages/flutter_tools/lib/src/devfs.dart b/packages/flutter_tools/lib/src/devfs.dart
index 8ef1931..6f18a7d 100644
--- a/packages/flutter_tools/lib/src/devfs.dart
+++ b/packages/flutter_tools/lib/src/devfs.dart
@@ -5,12 +5,12 @@
import 'dart:async';
import 'dart:convert' show BASE64, UTF8;
+import 'asset.dart';
import 'base/context.dart';
import 'base/file_system.dart';
import 'base/io.dart';
import 'build_info.dart';
import 'dart/package_map.dart';
-import 'asset.dart';
import 'globals.dart';
import 'vmservice.dart';