Disable VSoC-based input devices by removing their entries from the
properties, as we don't support them and Android keeps complaining about
it.
Signed-off-by: Sergio Lopez <slp@redhat.com>
In addition to generating the generic variant of the properties image,
generate a virgl-specific one so it can be used with "start_avm --drm"
without regenerating the disk image every time.
Signed-off-by: Sergio Lopez <slp@redhat.com>