This behavior will prevent the dock from performing most resets until
it has been unplugged from a host system.
This significantly speeds up the perceived update duaration and prevents
data loss during update.
It's not confirmed whether EC23 or later EC will enable it.
* So only enable by a custom flag until this is confirmed.
* Custom flag will be dropped when included into stable EC release.
This functionality also relies upon the CAB file providing a message warning
user that the dock might not be usable after unplugging for up to 1 minute.
This plugin requires infrastructure introduced in fwupd 1.1.3
and can not be backported to earlier versions of fwupd.
It works together with the Synaptics and Thunderbolt plugins to
coordinate the proper flashing procedure for devices in this dock.