fix(transformer): Fix generation of annotations argument when registering functions.

modules/angular2/test/transform/directive_processor/absolute_url_expression_files/expected/hello.ng_deps.dart

@@ -17,5 +17,7 @@ void initReflector() {
           template: r'''{{greeting}}''',
           templateUrl: r'package:other_package/template.html',
           styles: const [r'''.greeting { .color: blue; }''',])
-    ], const [], () => new HelloCmp()));
+    ], const [], () => new HelloCmp()))
+    ..registerFunction(
+        hello, new _ngRef.ReflectionInfo(const [const Injectable()], const []));
 }

modules/angular2/test/transform/directive_processor/absolute_url_expression_files/hello.dart

@@ -8,3 +8,6 @@ import 'package:angular2/angular2.dart'
     templateUrl: 'package:other_package/template.html',
     styleUrls: const ['package:other_package/template.css'])
 class HelloCmp {}
+
+@Injectable()
+hello() {}

modules/angular2/test/transform/directive_processor/static_function_files/expected/hello.ng_deps.dart

@@ -11,7 +11,7 @@ void initReflector() {
   _visited = true;
   _ngRef.reflector
     ..registerFunction(getMessage, new _ngRef.ReflectionInfo(
-        const Injectable(), const [const [const Inject(Message)]]))
+        const [const Injectable()], const [const [const Inject(Message)]]))
     ..registerType(Message, new _ngRef.ReflectionInfo(
         const [const Injectable()], const [], () => new Message()));
 }