Show warning on usages of javaClass<T>() in annotations loaded from Java

core/descriptors/src/org/jetbrains/kotlin/resolve/DescriptorUtils.java

@@ -532,4 +532,8 @@ public class DescriptorUtils {
             }
         }
     }
+
+    public static boolean isJavaLangClass(ClassDescriptor descriptor) {
+        return "java.lang.Class".equals(getFqName(descriptor).asString());
+    }
 }