[upower-0.99] Use Upower for critical actions

based on

https://git.gnome.org/browse/gnome-settings-daemon/commit/plugins/power/gsd-power-manager.c?h=gnome-3-12&id=1ba59178b4379f38874498a437104914b85c1104

and

https://git.gnome.org/browse/gnome-settings-daemon/commit/plugins/power/gsd-power-manager.c?h=gnome-3-12&id=8e6a82c585fe16978f9e1ca3437a4b96dd4e6d34