LU-14115 lod: fix to set inherit flag for stripe directroy

LU-14115 lod: fix to set inherit flag for stripe directroy

lod_xattr_set_lmv() is called to set attributes from parent
to all stripes of the directroy, however, flags are ignored
which will cause project inherit bits missed for stripes.

Signed-off-by: Wang Shilong <wshilong@ddn.com>
Change-Id: I10a2de303b4b8430e560752cf0d66466c93616a4
Reviewed-on: https://review.whamcloud.com/40543
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Lai Siyao <lai.siyao@whamcloud.com>
Reviewed-by: Yingjin Qian <qian@ddn.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>