LU-10476 tests: add version check to sanity-dom and sanity-flr

LU-10476 tests: add version check to sanity-dom and sanity-flr

This patch adds Lustre version check codes into sanity-dom.sh
and sanity-flr.sh to make the tests interoperate with servers
that do not support the DOM and FLR features.

Test-Parameters: trivial \
mdsjob=lustre-b2_10 ossjob=lustre-b2_10 serverbuildno=52 \
testlist=sanity-dom,sanity-flr

Change-Id: If36125e84a424976a60b9bcc1e2c94c5fab2ac7d
Signed-off-by: Jian Yu <jian.yu@intel.com>
Reviewed-on: https://review.whamcloud.com/30816
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Reviewed-by: Bobi Jam <bobijam@hotmail.com>
Reviewed-by: Mike Pershin <mike.pershin@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>