Merge "libpdx_uds: Handle EACCES error when connecting to PDX service" into oc-dev

  auto time_end = now + std::chrono::milliseconds{timeout_ms};

  bool connected = false;

  int max_eaccess = 5;  // Max number of times to retry when EACCES returned.

  while (!connected) {

    int64_t timeout = -1;

    if (use_timeout) {

    if (ret == -1) {

      ALOGD("ClientChannelFactory: Connect error %d: %s", errno,

            strerror(errno));

      if (errno == ECONNREFUSED) {

        // Connection refused can be the result of connecting too early (the

        // service socket is created but not being listened to yet).

        ALOGD("ClientChannelFactory: Connection refused, waiting...");

      // if |max_eaccess| below reaches zero when errno is EACCES, the control

      // flows into the next "else if" statement and a permanent error is

      // returned from this function.

      if (errno == ECONNREFUSED || (errno == EACCES && max_eaccess-- > 0)) {

        // Connection refused/Permission denied can be the result of connecting

        // too early (the service socket is created but its access rights are

        // not set or not being listened to yet).

        ALOGD("ClientChannelFactory: %s, waiting...", strerror(errno));

        using namespace std::literals::chrono_literals;

        std::this_thread::sleep_for(100ms);

      } else if (errno != ENOENT && errno != ENOTDIR) {