Fix DeclarationResolver handling of annotations containing closures.

pkg/analyzer/test/src/context/context_test.dart

Index: pkg/analyzer/test/src/context/context_test.dart
diff --git a/pkg/analyzer/test/src/context/context_test.dart b/pkg/analyzer/test/src/context/context_test.dart
index a3d979ea00668b35d458dfe792b6e09bdfea760a..4c3ecb872dcdfffb5ad51afaca4a650614089ee7 100644
--- a/pkg/analyzer/test/src/context/context_test.dart
+++ b/pkg/analyzer/test/src/context/context_test.dart
@@ -2438,6 +2438,11 @@ typedef String FunctionTypeAlias(int i);
 
 enum EnumeratedType {Invalid, Valid}
 
+class A {
+  const A(x);
+}
+
+@A(const [(_) => null])
 class ClassOne {
   int instanceField;
   static int staticField;