move System.nanoTime under if infoStream.isEnabled

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1428962 13f79535-47bb-0310-9956-ffa450edef68
fix reversed conn and so timeouts - currently used for tests

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1428963 13f79535-47bb-0310-9956-ffa450edef68