LU-10972 test: get client uuid correctly

LU-10972 test: get client uuid correctly

Correct sanity.sh test_0d script to get client uuid value only.

Test-Parameters:trivial testlist=sanity envdefinitions=ONLY=0d \
serverjob=lustre-b2_11 serverbuildno=2

Change-Id: I6167d9b9c3c3e86f2a5581f8ac4ccab8f1137ce7
Signed-off-by: Emoly Liu <emoly.liu@intel.com>
Reviewed-on: https://review.whamcloud.com/32289
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: James Nunez <james.a.nunez@intel.com>