bpf: build tcpAccECN into netd.o

Note that currently bpfloader is *still* always <25Q4 (and thus <26Q2).

With this change:
  $ adb shell find /sys/fs/bpf/ | egrep -i tcp
is empty.

With the 26Q2 changed to 25Q3 it is not:
  $ adbz shell find /sys/fs/bpf/ | egrep -i tcp
  /sys/fs/bpf/netd_shared/prog_tcpAccECN_schedcls_egress_accecn_rawip
  /sys/fs/bpf/netd_shared/prog_tcpAccECN_schedcls_ingress_accecn_rawip
  /sys/fs/bpf/netd_shared/prog_tcpAccECN_schedcls_egress_accecn_eth
  /sys/fs/bpf/netd_shared/prog_tcpAccECN_schedcls_ingress_accecn_eth
  /sys/fs/bpf/netd_shared/prog_tcpAccECN_sockops_accecn_option
  /sys/fs/bpf/netd_shared/map_tcpAccECN_l4s_accecn_mss_map
  /sys/fs/bpf/netd_shared/map_tcpAccECN_l4s_accecn_byte_map
  /sys/fs/bpf/netd_shared/map_tcpAccECN_l4s_accecn_ce_map

Test: TreeHugger
Flag: EXEMPT mainline / noop
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I1c95a51e0774a2840fc906a2128ed5d71097dab6
6 files changed