Created counters to track the number of log records checked and
written. (filtered = checked - written)

Change-Id: I1b4dcbdc636891e8deca41440c40d58415edc438
Signed-off-by: Saad Karim <skarim@us.ibm.com>
Signed-off-by: Matthew Sykes <sykesmat@us.ibm.com>
(cherry picked from commit 312f11343942d312510027a8a4787cf3be98fce1)