Fix creating archives on Android content: URLs
Summary: Needs https://codereview.qt-project.org/c/qt/qtbase/+/270849 to work.
Reviewers: Frameworks, Android, apol
Reviewed By: Android, apol
Subscribers: apol, kde-frameworks-devel
Tags: Frameworks
Differential Revision: https://phabricator.kde.org/D23269