Clarify some IpManager/ApfFilter debugging output.

Test: as follows
    - built
    - flashed
    - booted
    - "runtest frameworks-net" passes
    - "adb shell dumpsys wifi ipmanager" shows updated output
Bug: 34793131
Change-Id: I6dec135b97343943efb421ef7b2e84c4751dd5ea
1 file changed
tree: 5e46006d415f53ecb62aa51dc45282f9cf132133
  1. core/
  2. services/
  3. tests/