Merge pull request #55946 from myoungwon/wip-less-verbose-rbm-test

crimson/os/seastore: make less verbose log when testing performance on RBM

Reviewed-by: Yingxin Cheng <yingxin.cheng@intel.com>
Reviewed-by: Chunmei Liu <chunmei.liu@intel.com>

diff --cc src/crimson/os/seastore/async_cleaner.cc
Simple merge