EX-4015 lipe: add lma, filter_fid, and hsm json attributes

EX-4015 lipe: add lma, filter_fid, and hsm json attributes

Add "lma", "filter_fid", and "hsm" json attributes. Use struct
lustre_mdt_attrs rather than broken out fields in loa. Add
sanity-lipe-scan3 tests 111, 112, 113 to "verify".

Combine init_lipe_scan3_env and init_lipe_scan3_env_file.

Test-Parameters: trivial testlist=sanity-lipe-scan3 facet=mds1
Signed-off-by: John L. Hammond <jhammond@whamcloud.com>
Change-Id: I1856a896d192d08f9e16b9ac764030907256f79c
Reviewed-on: https://review.whamcloud.com/46547
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>