Make info clearer

Change-Id: I16416e37415f8bb7c54459b5e8facba0778c8c55
force -y for boxes that don't respect DEBIAN_FRONTEND=noninteractive

Change-Id: I281151d95474ecf82ea26461ed5a3528a4ab7238
Merge "Make info clearer"
Merge "force -y for boxes that don't respect DEBIAN_FRONTEND=noninteractive"