Merge "binderRpcTest: hermiticity - salt UDS name w/ PID"

static std::string allocateSocketAddress() {

    static size_t id = 0;

    std::string temp = getenv("TMPDIR") ?: "/tmp";

    auto ret = temp + "/binderRpcTest_" + std::to_string(id++);

    auto ret = temp + "/binderRpcTest_" + std::to_string(getpid()) + "_" + std::to_string(id++);

    unlink(ret.c_str());

    return ret;

};