Fix internal compiler error on importing invisible fake reference

Note that this is not relevant for LOCAL/INHERITED visibilities:
  - for LOCAL visibility it's impossible to have a qualifier
  - INHERITED is an intermediate visibility, we enhance it later
    (see resolveUnknownVisibilityForMember)

 #KT-20356 Fixed

core/descriptors/src/org/jetbrains/kotlin/descriptors/Visibilities.java

@@ -263,7 +263,7 @@ public class Visibilities {
     public static final Visibility INVISIBLE_FAKE = new Visibility("invisible_fake", false) {
         @Override
         public boolean mustCheckInImports() {
-            throw new IllegalStateException("This method shouldn't be invoked for INVISIBLE_FAKE visibility");
+            return true;
         }
 
         @Override