qemuDomainBuildNamespace: Populate memory from daemon's namespace
qemuDomainBuildNamespace: Populate memory from daemon's namespace

As mentioned in one of previous commits, populating domain's
namespace from pre-exec() hook is dangerous. This commit moves
population of the namespace with domain memory (nvdimms) into
daemon's namespace.

Signed-off-by: Michal Privoznik <83d82aaba2eed257f4814b0c239c260c4caaadf0@redhat.com>
Reviewed-by: Ján Tomko <4cab11cfb98d3c937327354a78eb07dbb6ee2bc6@redhat.com>

olafhering/libvirt,crobinso/libvirt,nertpinx/libvirt,jfehlig/libvirt,jardasgit/libvirt,libvirt/libvirt,olafhering/libvirt,crobinso/libvirt,zippy2/libvirt,jfehlig/libvirt,libvirt/libvirt,jardasgit/libvirt,jardasgit/libvirt,zippy2/libvirt,libvirt/libvirt,zippy2/libvirt,jardasgit/libvirt,zippy2/libvirt,nertpinx/libvirt,crobinso/libvirt,crobinso/libvirt,olafhering/libvirt,jfehlig/libvirt,libvirt/libvirt,olafhering/libvirt,nertpinx/libvirt,nertpinx/libvirt,jardasgit/libvirt,nertpinx/libvirt,jfehlig/libvirt