AnnotationManager::update doesn't update LineAnnotation / FillAnnotation

[tobrun]

I have been looking into implementing updatable Polyline/Polygons on the Android bindings.
For this I'm hooking into the following methods exposed in AnnotationManager:

    Update update(const AnnotationID&, const LineAnnotation&, const uint8_t);
    Update update(const AnnotationID&, const FillAnnotation&, const uint8_t);

When I execute the update method, I'm seeing the polygon being removed but not readded:

The code used here is equivalent to the one used for SymbolAnnotation.

[tobrun]

I'm currently working around this by calling remove/add myself instead of AnnotationManager. While this works it's doesn't have the correct ID since a new ID is assigned with add.