LU-10898 tests: enable conf-sanity 32a/32d

Stop zed service because it hold zfs module open.
Export zpools before trying to rmmod zfs.

Test-Parameters: trivial testlist=conf-sanity
Test-Parameters: trivial testlist=conf-sanity mdtfilesystemtype=zfs ostfilesystemtype=zfs
Signed-off-by: Nathaniel Clark <nathaniel.l.clark@intel.com>
Change-Id: Id1b891cadb91d9e3631a2d067c9d76a2965c34ff
Reviewed-on: https://review.whamcloud.com/31991


Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>