[NETD-BPF#23] Move a few headers to frameworks/libs/net

BPF headers used by both platform and mainline modules should be in
frameworks/libs/net.

Bug: 202086915
Test: build and boot
Test: cd packages/modules/Connectivity/netd; atest
Change-Id: Ie6f257b022cdea6bab3389a9fa41791f893e54c3
2 files changed
tree: a02ce1bd84fc39508baad12123dfc41d8cadc0c8
  1. staticlibs/