Align generateNsFilterLocked() with comment as temporary fix

Modified generateNsFilterLocked() to match its documented behavior.
This is a temporary solution to be replaced by "reply NA" logic when
available.

Bug: 344801333
Test: TH
Change-Id: Ib0d0cdf869a621d73d69e4d5e9b5b48324d8371f
1 file changed