Snap for 9420774 from c9a8d12b to udc-release

#include "tests/tun_forwarder.h"

#include "tests/unsolicited_listener/unsolicited_event_listener.h"

// This mainline module test still needs to be able to run on pre-S devices,

// and thus may run across pre-4.9 non-eBPF capable devices like the Pixel 2.

#define SKIP_IF_BPF_NOT_SUPPORTED                           \

    do {                                                    \

        if (!android::bpf::isAtLeastKernelVersion(4, 9, 0)) \

            GTEST_SKIP() << "Skip: bpf is not supported.";  \

    } while (0)

// Valid VPN netId range is 100 ~ 65535

constexpr int TEST_VPN_NETID = 65502;

constexpr int MAXPACKET = (8 * 1024);