Bug 1350440: Sort policy list based on sequence major and minor numbers before sending to neutron

Change-Id: I23b3cdd1213444e7adb28cf9d77cdbb6b9a036b4
(cherry picked from commit 45eb0a736c70d6468f59f4a4302ebe543ac8a91c)
Merge "Bug 1350440: Sort policy list based on sequence major and minor numbers before sending to neutron"