7113878: LogManager - namedLoggers should be ConcurrentHashMap instead of Hashtable Summary: namedLoggers is now a ConcurrentHashMap. findLogger is updated to take benefit of the change. Reviewed-by: dholmes, lancea, martin, mchung, plevart Contributed-by: Peter Levart <peter.levart@gmail.com>, Daniel Fuchs <daniel.fuchs@oracle.com>

^build/
^dist/
^drop/
^drop_included/
^webrev
/nbproject/private/
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.DS_Store