Minor tweaks to the ZooKeeper libprocess watcher wrapper (a comment update and a minor change to be more conservative with use cases) (https://reviews.apache.org/r/7294).
Minor tweaks to the ZooKeeper libprocess watcher wrapper (a comment
update and a minor change to be more conservative with use cases)
(https://reviews.apache.org/r/7294).

git-svn-id: 03d7800a49d8905ef4fbcc296184319e19243493@1393820 13f79535-47bb-0310-9956-ffa450edef68

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