WIP: When the layout, use different folder for the 'conan infos' files

[lasote]

Changelog: Fix: When the layout() is declared in the recipe, the files such as conainfo.txt, conanbuildinfo.txt were written in the test_package folder, now there are written in the generators_folder. Docs: omit

Close https://github.com/conan-io/conan/issues/11779