CBQE-0: make sdk timeouts info loglevel

Change-Id: I9dffcbcc607ba357a23da10489a0fa3e75e8b32c
Reviewed-on: http://review.couchbase.org/25469
Reviewed-by: Tommie McAfee <tommie@couchbase.com>
Tested-by: Tommie McAfee <tommie@couchbase.com>