LaunchNewApp dbus method will be obsolete in near
future

Apertis: https://phabricator.apertis.org/T3572



Signed-off-by: Rohan Madgula <Rohan.Madgula@in.bosch.com>
Reviewed-by: Simon McVittie <simon.mcvittie@collabora.co.uk>
Differential Revision: https://phabricator.apertis.org/D5752