/usr/ is in accountsservice-ubuntu-schemas 0.0.7+17.10.20170922-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/accountsservice/
/usr/share/accountsservice/interfaces/
/usr/share/dbus-1/
/usr/share/dbus-1/interfaces/
/usr/share/dbus-1/interfaces/com.ubuntu.AccountsService.Input.xml
/usr/share/dbus-1/interfaces/com.ubuntu.AccountsService.SecurityPrivacy.xml
/usr/share/dbus-1/interfaces/com.ubuntu.AccountsService.Sound.xml
/usr/share/dbus-1/interfaces/com.ubuntu.touch.AccountsService.Phone.xml
/usr/share/dbus-1/interfaces/com.ubuntu.touch.AccountsService.SecurityPrivacy.xml
/usr/share/dbus-1/interfaces/com.ubuntu.touch.AccountsService.Sound.xml
/usr/share/doc/
/usr/share/doc/accountsservice-ubuntu-schemas/
/usr/share/doc/accountsservice-ubuntu-schemas/changelog.Debian.gz
/usr/share/doc/accountsservice-ubuntu-schemas/copyright
/usr/share/polkit-1/
/usr/share/polkit-1/actions/
/usr/share/polkit-1/actions/com.ubuntu.AccountsService.policy
/usr/share/accountsservice/interfaces/com.ubuntu.AccountsService.Input.xml
/usr/share/accountsservice/interfaces/com.ubuntu.AccountsService.SecurityPrivacy.xml
/usr/share/accountsservice/interfaces/com.ubuntu.AccountsService.Sound.xml
/usr/share/accountsservice/interfaces/com.ubuntu.touch.AccountsService.Phone.xml
/usr/share/accountsservice/interfaces/com.ubuntu.touch.AccountsService.SecurityPrivacy.xml
/usr/share/accountsservice/interfaces/com.ubuntu.touch.AccountsService.Sound.xml