LU-10541 llite: setxattr directly in ll_set_acl

LU-10541 llite: setxattr directly in ll_set_acl

Call md_setxattr() directly from ll_set_acl().

Test-Parameters: alwaysuploadlogs clientdistro=sles12sp3 testlist=parallel-scale-nfsv3
Signed-off-by: John L. Hammond <john.hammond@intel.com>
Change-Id: Ie266ee4fe7a67338122a6a3effb545d3dbaee008
Reviewed-on: https://review.whamcloud.com/31588
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Hongchao Zhang <hongchao.zhang@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>