This fix tries to address the issue raised in 30178 where
service healthcheck is `{}` in remote API will result in
dns resolve failue.
The reason was that when service healthcheck is `{}`,
service binding was not done.
This fix fixes the issue.
An integration test has been added.
This fix fixes 30178.
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
Upstream-commit: 8feb5c5a48eaadc1686e3b370f7ef9be128dd3cb
Component: engine
d9702930f2