/usr/share/glib-2.0/schemas/10_virt-manager.gschema.override is in virt-manager 1:1.3.2-3ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | [org.virt-manager.virt-manager.console]
auto-redirect=false
|