QPID-4503: Producer transaction timeout detection feature may produce suprious open/idle alerts and close client connections/sessions without good cause

Merged from trunk with command svn merge -c 1421884 https://svn.apache.org/repos/asf/qpid/trunk/qpid/java



git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/0.20@1430904 13f79535-47bb-0310-9956-ffa450edef68