Merge pull request #43578 from ronen-fr/wip-rf-log-options

common: hide internal logger configuration strings from clients

Reviewed-by: Laura Flores <lflores@redhat.com>

diff --cc src/common/LogClient.h
Simple merge

diff --cc src/mds/MDSRank.cc
Simple merge

diff --cc src/mon/Monitor.cc
Simple merge

diff --cc src/osd/OSD.cc
Simple merge