Flutter tool support for building dynamic updates (#25576)

packages/flutter_tools/test/src/mocks.dart

diff --git a/packages/flutter_tools/test/src/mocks.dart b/packages/flutter_tools/test/src/mocks.dart
index 9278c55..1ce3b7f 100644
--- a/packages/flutter_tools/test/src/mocks.dart
+++ b/packages/flutter_tools/test/src/mocks.dart
@@ -29,6 +29,7 @@
     android: AndroidApk(
       id: 'io.flutter.android.mock',
       file: fs.file('/mock/path/to/android/SkyShell.apk'),
+      versionCode: 1,
       launchActivity: 'io.flutter.android.mock.MockActivity'
     ),
     iOS: BuildableIOSApp(MockIosProject())