move to use oslo.i18/utils/serialization

nova is switching to use oslo.i18n, oslo.utils, oslo.serialization with
change
https://github.com/openstack/nova/commit/d0e0ade702c2976e6ff66df7e8a27493930097bf
nova.openstack.common removed some modules that has been replaced by the
ones from oslo.i18n, oslo.utils, oslo.serialization.

Closes-Bug: #1384039
Change-Id: I9fae9b61599a50b54fc40552b2c90fceb75d8522
Merge "move to use oslo.i18/utils/serialization"