1. Try parse share_backend_id from export path in case
it is managed share.
2. Try to take snapshot id from 'provider_location' in case
this is managed snapshot
3. Try to get share server name from property 'identifier'
first in case this is managed share server
4. Add property 'provider_location' when creating snapshot
Implements: blueprint emc-unity-manage-unmange
Change-Id: I676475d0500ecce31a1a863926accec8585ac83a
Signed-off-by: Goutham Pacha Ravi <gouthampravi@gmail.com>
