LU-13335 ldiskfs: add projid to debug logs

LU-13335 ldiskfs: add projid to debug logs

There is virtually no tracking of projid changes in osd-ldiskfs,
which makes it very difficult to debug operations therein.

Add some minimal debugging on the client and servers to log
the projid when it is changed, along with the affected FID.

Signed-off-by: Andreas Dilger <adilger@whamcloud.com>
Change-Id: Ibcf3f09ee243ebe052c8f9119383897072ce7057
Reviewed-on: https://review.whamcloud.com/46369
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Reviewed-by: Li Dongyang <dongyangli@ddn.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>