Volume transfer pagination support

[Yikun Jiang]

Currently, volume transfer API does not support pagination. As in large scale deployment the number of migration records can be also very large and querying them all can lead to performance bottleneck, it will be very useful to support pagination

Also, there is a unexpected behavior, we can only get max to ``CONF.osapi_max_limit`` records when we list volume transfers under the current implementation, that means if we have more than ``CONF.osapi_max_limit`` items in db, we can only get first CONF.osapi_max_limit records.

So, we should support volume transfer pagination.

[1] https://github.com/openstack/cinder/blob/master/cinder/api/contrib/volume_transfer.py#L66
[2] https://github.com/openstack/cinder/blob/c0efaa1/cinder/api/common.py#L136

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/602181
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=311c5153bc7a9c13a670e102dee54a91b1adbb43
Submitter: Zuul
Branch: master

commit 311c5153bc7a9c13a670e102dee54a91b1adbb43
Author: TommyLike <email address hidden>
Date: Wed Sep 12 16:12:06 2018 -0600

    Support transfer pagination

    This patch adds support for transfer pagination.

    Co-Authored-By: Yikun Jiang <email address hidden>

    Closes-bug: #1814195

    Change-Id: Idb04f783b2287b2b45d626131648b0005a232fbe

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/cinder 14.0.0.0rc1 release candidate.