This change adds database support for the python-openstackclient
project for the root-disable command.
The trove command root-disable is now:
openstack database root disable
Change-Id: I51d351174d6bf36948eb7e48de0aa6509c563738
Partially-Implements: blueprint trove-support-in-python-openstackclient
Signed-off-by: Zhao Chao <zhaochao1984@gmail.com>