tree ee7efc19effbd8657b7d1385e8c447a1dace343b
parent bd85f8903eb114cf3c267377947c64a24bf0a390
author Hungming Chen <nuccachen@google.com> 1647488803 +0800
committer Hungming Chen <nuccachen@google.com> 1648713882 +0800

ClatCoordinator: use Java class TcUtils to attach program

This a preparation to replace duplicated native functions with the
existing Java class.

Bug: 221213090
Test: atest FrameworksNetTests
Test: manual test
Steps:
1. Connect to IPv6-only wifi
2. Check tc filter on wlan0 and v4-wlan0

$ adb shell tc filter show dev wlan0 ingress
filter protocol ipv6 pref 4 bpf chain 0
filter protocol ipv6 pref 4 bpf chain 0 handle 0x1 prog_clatd_schedcls_ingress6_clat_ether:[*fsobj] direct-action not_in_hw id 23 tag 40918e0675598c8d

$ adb shell tc filter show dev v4-wlan0 egress
filter protocol ip pref 4 bpf chain 0
filter protocol ip pref 4 bpf chain 0 handle 0x1 prog_clatd_schedcls_egress4_clat_rawip:[*fsobj] direct-action not_in_hw id 26 tag 5d0057eab14480b7

$ adb shell tc filter show dev wlan0 egress
(empty)

$ adb shell tc filter show dev v4-wlan0 ingress
(empty)

Change-Id: Id4edbfd87de8f9c5d2fa483b2024718b484cb044