EX-4166 lipe: lamigo test coverage for OSS

EX-4166 lipe: lamigo test coverage for OSS

Add test for lamigo ALR with multiple OSS's
Add debug trace point to report update message
from ofd_access_log_reader

Test-Parameters: trivial testlist=hot-pools
Test-Parameters: trivial testlist=hot-pools mdscount=2 osscount=2 mdtcount=2 ostcount=8
Signed-off-by: Alexandre Ioffe <aioffe@ddn.com>
Change-Id: Iaae847190426ff34d8991e8a571b3e38616bc4c9
Reviewed-on: https://review.whamcloud.com/46686
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: John L. Hammond <jhammond@whamcloud.com>