enable avoid_equals_and_hash_code_on_mutable_classes (#52507)

packages/flutter_tools/lib/src/device.dart

diff --git a/packages/flutter_tools/lib/src/device.dart b/packages/flutter_tools/lib/src/device.dart
index 9ccb5a2..85309ff 100644
--- a/packages/flutter_tools/lib/src/device.dart
+++ b/packages/flutter_tools/lib/src/device.dart
@@ -480,10 +480,14 @@
 
   Future<void> takeScreenshot(File outputFile) => Future<void>.error('unimplemented');
 
+  @nonVirtual
   @override
+  // ignore: avoid_equals_and_hash_code_on_mutable_classes
   int get hashCode => id.hashCode;
 
+  @nonVirtual
   @override
+  // ignore: avoid_equals_and_hash_code_on_mutable_classes
   bool operator ==(Object other) {
     if (identical(this, other)) {
       return true;