Remove default AppContext and cleanup globals (#6999)
diff --git a/packages/flutter_tools/lib/src/android/android_sdk.dart b/packages/flutter_tools/lib/src/android/android_sdk.dart
index 42ab963..caf9686 100644
--- a/packages/flutter_tools/lib/src/android/android_sdk.dart
+++ b/packages/flutter_tools/lib/src/android/android_sdk.dart
@@ -8,9 +8,12 @@
import 'package:pub_semver/pub_semver.dart';
import '../base/common.dart';
+import '../base/context.dart';
import '../base/os.dart';
import '../globals.dart';
+AndroidSdk get androidSdk => context[AndroidSdk];
+
const String kAndroidHome = 'ANDROID_HOME';
// Android SDK layout:
