/usr/share/glib-2.0/ is in evolution-common 3.22.6-1+deb9u1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/glib-2.0/schemas/
/usr/share/glib-2.0/schemas/10_evolution-common.gschema.override
/usr/share/glib-2.0/schemas/org.gnome.evolution.addressbook.gschema.xml
/usr/share/glib-2.0/schemas/org.gnome.evolution.bogofilter.gschema.xml
/usr/share/glib-2.0/schemas/org.gnome.evolution.calendar.gschema.xml
/usr/share/glib-2.0/schemas/org.gnome.evolution.gschema.xml
/usr/share/glib-2.0/schemas/org.gnome.evolution.importer.gschema.xml
/usr/share/glib-2.0/schemas/org.gnome.evolution.mail.gschema.xml
/usr/share/glib-2.0/schemas/org.gnome.evolution.plugin.attachment-reminder.gschema.xml
/usr/share/glib-2.0/schemas/org.gnome.evolution.plugin.autocontacts.gschema.xml
/usr/share/glib-2.0/schemas/org.gnome.evolution.plugin.email-custom-header.gschema.xml
/usr/share/glib-2.0/schemas/org.gnome.evolution.plugin.external-editor.gschema.xml
/usr/share/glib-2.0/schemas/org.gnome.evolution.plugin.face-picture.gschema.xml
/usr/share/glib-2.0/schemas/org.gnome.evolution.plugin.itip.gschema.xml
/usr/share/glib-2.0/schemas/org.gnome.evolution.plugin.mail-notification.gschema.xml
/usr/share/glib-2.0/schemas/org.gnome.evolution.plugin.prefer-plain.gschema.xml
/usr/share/glib-2.0/schemas/org.gnome.evolution.plugin.publish-calendar.gschema.xml
/usr/share/glib-2.0/schemas/org.gnome.evolution.plugin.templates.gschema.xml
/usr/share/glib-2.0/schemas/org.gnome.evolution.shell.gschema.xml
/usr/share/glib-2.0/schemas/org.gnome.evolution.spamassassin.gschema.xml