Statistics: update for client id and current view

use hashed Mac address as client id and store device name
as current view

Change-Id: Ia2b26cd674035fc97ca415ba0ca1f78e1628745f
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>
Merge "Statistics: update for client id and current view" into jb-mr1