Fix annotation of generic method invocations in Fasta inference tests.

pkg/front_end/testcases/inference/void_return_type_subtypes_dynamic.dart

Index: pkg/front_end/testcases/inference/void_return_type_subtypes_dynamic.dart
diff --git a/pkg/front_end/testcases/inference/void_return_type_subtypes_dynamic.dart b/pkg/front_end/testcases/inference/void_return_type_subtypes_dynamic.dart
index 77f2fbcde7083bb5cd0b25a0da631d6059aac218..d7566b75b9bbad5aa171382078a33fb9d8f590dc 100644
--- a/pkg/front_end/testcases/inference/void_return_type_subtypes_dynamic.dart
+++ b/pkg/front_end/testcases/inference/void_return_type_subtypes_dynamic.dart
@@ -16,8 +16,8 @@ void printRunning() {
   print("running");
 }
 
-var /*@topType=dynamic*/ x = run<dynamic>(printRunning);
-var /*@topType=dynamic*/ y = /*info:USE_OF_VOID_RESULT, error:TOP_LEVEL_TYPE_ARGUMENTS*/ run(
+var /*@topType=dynamic*/ x = /*@typeArgs=dynamic*/ run<dynamic>(printRunning);
+var /*@topType=dynamic*/ y = /*info:USE_OF_VOID_RESULT, error:TOP_LEVEL_TYPE_ARGUMENTS*/ /*@typeArgs=void*/ run(
     printRunning);
 
 main() {
@@ -25,8 +25,9 @@ main() {
     print("running");
   }
 
-  var /*@type=dynamic*/ x = run<dynamic>(printRunning);
-  var /*@type=void*/ y = /*info:USE_OF_VOID_RESULT*/ run(printRunning);
+  var /*@type=dynamic*/ x = /*@typeArgs=dynamic*/ run<dynamic>(printRunning);
+  var /*@type=void*/ y = /*info:USE_OF_VOID_RESULT*/ /*@typeArgs=void*/ run(
+      printRunning);
   x = 123;
   x = 'hi';
   y = /*error:INVALID_ASSIGNMENT*/ 123;