CA-92550: Update xenstore permissions on /vm/<uuid> tree to reflect the new domain ID when a domain is rebooted or migrated to localhost.

Signed-off-by: Euan Harris <euan.harris@citrix.com>
Merge pull request #1987 from sharady/Lull/HFX-1248

[Lull/HFX-1248] CA-92550: Update xenstore permissions on /vm/<uuid> tree to reflect the ...