pointerdetector2: Fix problems in filter behaviour
pointerdetector2: Fix problems in filter behaviour

Change-Id: I969fa3e2274acc93d64e49b2a67588c0f744cbb7

TribeMedia/kms-elements,Kurento/kms-elements,shelsonjava/kms-elements,Kurento/kms-elements,TribeMedia/kms-elements,shelsonjava/kms-elements,shelsonjava/kms-elements,TribeMedia/kms-elements,Kurento/kms-elements