LU-16603 protocol: add OBD_BRW_COMPRESSED

LU-16603 protocol: add OBD_BRW_COMPRESSED

so the client can hint OST the data is compressed

Test-Parameters: trivial
Signed-off-by: Alex Zhuravlev <bzzz@whamcloud.com>
Change-Id: I4b721db3ad349d5745ee6698de368d0cb0138954
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/50154
Reviewed-by: Artem Blagodarenko <ablagodarenko@ddn.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Lustre-change: with short Gerrit URL https://review.whamcloud.com/50154
Reviewed-on: https://review.whamcloud.com/c/ex/lustre-release/+/50372
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>