Updated openstack/openstack
Project: openstack/python-keystoneclient  a417bf9e0a1306b47214dae32b59a69cd4647b50

Use oslo.utils and oslo.serialization

Left timeutils and strutils in openstack/common since they are used in
openstack/common/apiclient and memorycache.

Change-Id: Idb5f09c159d907dfba84cd1f7501f650318af7d9