Fix return type of private members that return anonymous object

#KT-16813 Fixed

Anonymous objects returned from private-in-file members should behave as for private class members

compiler/frontend/src/org/jetbrains/kotlin/resolve/DescriptorResolver.java

@@ -907,8 +907,7 @@ public class DescriptorResolver {
             return type;
         }
 
-        boolean definedInClass = DescriptorUtils.getParentOfType(descriptor, ClassDescriptor.class) != null;
-        if (!definedInClass || !Visibilities.isPrivate(descriptor.getVisibility())) {
+        if (!Visibilities.isPrivate(descriptor.getVisibility())) {
             if (type.getConstructor().getSupertypes().size() == 1) {
                 return type.getConstructor().getSupertypes().iterator().next();
             }