Fix summary handling of invalid annotations of the form `@a.b.c`.

pkg/analyzer/test/generated/non_error_resolver_driver_test.dart

Index: pkg/analyzer/test/generated/non_error_resolver_driver_test.dart
diff --git a/pkg/analyzer/test/generated/non_error_resolver_driver_test.dart b/pkg/analyzer/test/generated/non_error_resolver_driver_test.dart
index f600034ea2091b2c890532cda0eac37af6bc2120..f6f21d2785ff598bbcd67290029744fe3f856091 100644
--- a/pkg/analyzer/test/generated/non_error_resolver_driver_test.dart
+++ b/pkg/analyzer/test/generated/non_error_resolver_driver_test.dart
@@ -19,13 +19,6 @@ class NonErrorResolverTest_Driver extends NonErrorResolverTest {
 
   @failingTest
   @override
-  test_invalidAnnotation_constantVariable_field_importWithPrefix() {
-    return super
-        .test_invalidAnnotation_constantVariable_field_importWithPrefix();
-  }
-
-  @failingTest
-  @override
   test_issue_24191() {
     return super.test_issue_24191();
   }