Use notifyAll() instead of notify() inside Request::onCompleted() handler
Use notifyAll() instead of notify() inside Request::onCompleted() handler

FindBugs indicates it as a probable issue, which can be the origin of JENKINS-16679

Signed-off-by: Oleg Nenashev <4ee7d312f1006a91e3e4abf62d17d00b82d791a2@gmail.com>

jenkinsci/remoting,jenkinsci/remoting,oleg-nenashev/remoting,oleg-nenashev/remoting