ApfFilter.resume() cleans up APF memory to ensure accurate counters

* Modified apfFilter.resume() to clear APF memory and reset the counter tracker.
* This ensures accurate metrics collection after potential disruptions
  to APF memory, such as during CTS testing.

Test: TH
Change-Id: Ie0173bf55280d137800bc6e8ab01475ef8094dc0
3 files changed