ansible: correctly set become
ansible: correctly set become

Copy in as root on the local storage and move to the
shared storage as vdsm user at the end.

Change-Id: I57493c23e5c98e99d7a2c9f5fe4d7552c214a74d
Bug-Url: https://bugzilla.redhat.com/1563664
Signed-off-by: Simone Tiraboschi <cb03129c66ba4da7ba7044049d0f43907bf857bb@redhat.com>

oVirt/ovirt-hosted-engine-setup,oVirt/ovirt-hosted-engine-setup