Calculate course modules status in courses via core_course_check_updates

In the app, login in a site using Moodle 3.2 using a teacher account. Check that you can download all kind of modules just like before. Check that downloaded books, choices and glossaries don't show the refresh button if there isn't anything new (until now they always showed the refresh button). In web, update some of the modules you downloaded (add new files in a resource, add a new entry to a glossary, a new post to a forum, a new chapter in a book, a new page in a wiki..., etc.). Please notice that deleting items will not be detected. As student do a new submission to an existing assignment. In the app, perform a Pull to Refresh in the section containing the updated module (or in the list of sections with download sections enabled) and check that now the module shows the refresh button. Check that you can re-download the module. Now login in a site previous to 3.2 and check that prefetch still works like before.