luqitao a19518ce9d Api-ref: Update doc for show backups ...

Now cinder has supported to query project id of a given backup since
V3.18 after the patch [1].
This patch added the related api-ref.

[1] I6fde17baffe88ab4d4e69dcc2fefdbcb8d7a4dc5

Change-Id: Ie581b33964bf24689cf0ab099b8c7341af4aeb4b

2017-07-04 22:50:57 -04:00

..

source

Api-ref: Update doc for show backups

2017-07-04 22:50:57 -04:00