By default the polkit will autodetect if systemd is available
and setup the configuraton accordingly, potentially
contaminating sstate.
In this patch systemd is explicitly enabled/disabled.
When enabled, polkit will use systemd for session tarcking,
otherwise it will use ConsoleKit.
Signed-off-by: Radu Moisan <radu.moisan@intel.com> Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com> Signed-off-by: Saul Wold <sgw@linux.intel.com>