MB-12104 restart terse_bucket_info_uploader after ns_memcached is restarted

to make sure that terse bucket info gets reuploaded to memcached

Change-Id: I47e55c78e62ba905721d883ac18b6d9d8d5ae751
Reviewed-on: http://review.couchbase.org/42394
Tested-by: Artem Stemkovski <artem@couchbase.com>
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>