Support NAT-T keepalive packet filter

Add NAT-T keepalive packet filter for dropping
NAT-T keepalive packet in APF filter.

Bug: 33530442
Test: atest FrameworksNetTests
Change-Id: I8b5b9e13ad604384b6970d732639d7f6859df979
1 file changed
tree: 27e5ef4c5cb4e79964b3706c9c3db23f4f6337ec
  1. service/
  2. PREUPLOAD.cfg