8147545: Remove sun.misc.ManagedLocalsThread from java.prefs Summary: Replace ManagedLocalsThread with Thread(null,null,threadName,0,false) Reviewed-by: chegar

^build/
^dist/
nbproject/private/
^webrev
^.hgtip
^.bridge2
^.jib/
.DS_Store
.metadata/
.recommenders/