Make IPAManager isolate an IPA in a Proxy if the IPA's license is not
open source, before returning the IPA to the caller. For now, only use
the default Linux IPA proxy, and only LGPL 2.1+ is considered open
source.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>