CP-8378: Allow specifying suspend-image format

Add a new parameter to VM.migrate_memory_receive to specify the incoming image
format. Also add upgrade rules so that calls from clients implementing an older
interface will be understood by the servers implementing the new interface.

Signed-off-by: Si Beaumont <simon.beaumont@citrix.com>
Regenerate OASIS

Signed-off-by: Si Beaumont <simon.beaumont@citrix.com>