CLOUDSTACK-3354: Fix scalevm test
CLOUDSTACK-3354: Fix scalevm test

After you scale the vm, user is expected (oddly) to update the virtual
machine to signal that the PV tools are installed. This tells cloudstack
that the VM has been successfully scaled up/down.

Signed-off-by: Prasanna Santhanam <82219615980488abd2acc1a3d71cfb58f0b2b8b6@apache.org>
(cherry picked from commit c8ad4e5ced323d27862b7197a05f022f1a6efd4f)

GabrielBrascher/cloudstack,GabrielBrascher/cloudstack,wido/cloudstack,wido/cloudstack,resmo/cloudstack,resmo/cloudstack,wido/cloudstack,wido/cloudstack,resmo/cloudstack,resmo/cloudstack,DaanHoogland/cloudstack,GabrielBrascher/cloudstack,jcshen007/cloudstack,resmo/cloudstack,jcshen007/cloudstack,GabrielBrascher/cloudstack,jcshen007/cloudstack,jcshen007/cloudstack,resmo/cloudstack,DaanHoogland/cloudstack,DaanHoogland/cloudstack,jcshen007/cloudstack,GabrielBrascher/cloudstack,DaanHoogland/cloudstack,wido/cloudstack,GabrielBrascher/cloudstack,wido/cloudstack,jcshen007/cloudstack,jcshen007/cloudstack,DaanHoogland/cloudstack,DaanHoogland/cloudstack,DaanHoogland/cloudstack,wido/cloudstack,resmo/cloudstack,GabrielBrascher/cloudstack