Extract x_Driver tests that time out on Windows bots.

pkg/analyzer/test/generated/hint_code_test.dart

Index: pkg/analyzer/test/generated/hint_code_test.dart
diff --git a/pkg/analyzer/test/generated/hint_code_test.dart b/pkg/analyzer/test/generated/hint_code_test.dart
index 3186e68f127fb71f950763f1769f065e36062bec..10e4f5977dcd8d75fcc3329943b330e83b702076 100644
--- a/pkg/analyzer/test/generated/hint_code_test.dart
+++ b/pkg/analyzer/test/generated/hint_code_test.dart
@@ -17,7 +17,6 @@ import 'resolver_test_case.dart';
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(HintCodeTest);
-    defineReflectiveTests(HintCodeTest_Driver);
   });
 }
 
@@ -4041,9 +4040,3 @@ class A {
     verify([source]);
   }
 }
-
-@reflectiveTest
-class HintCodeTest_Driver extends HintCodeTest {
-  @override
-  bool get enableNewAnalysisDriver => true;
-}