Grow a new API for enabling/disabling systemd experimental support. We
do this by chaining a specific command= in the boot section.
We preserve the user customized command= content when systemd
experimental support is not enabled.
Co-authored-by: Jean-Baptiste Lallement <jean-baptiste@ubuntu.com>
- This is a cleanup for SystemSetup per DEENG-134 and DEENG-139
- Default user should be set by the WSL launcher.
- Shutdown/reboot actions also.
- Added a structured form of communication between OOBE and launcher.
- /run/launcher-command