When both touch and pen are active send a tool announcement before
sending any status changes so that event users may differentiate
which tool is changing.

Restored three usage codes used by the pen.
Signed-off-by: NRafi Rubin <rafi@seas.upenn.edu>
Acked-by: NStephane Chatty <chatty@enac.fr>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>