Merge "Codec2: Check errno during syscall (FUTEX_WAIT) failure in fence.wait"

    tv.tv_nsec = timeoutNs % 1000000000;

    int ret =  syscall(__NR_futex, &mCond, FUTEX_WAIT, waitId, &tv, NULL, 0);

    if (ret == 0 || ret == EAGAIN) {

    if (ret == 0 || errno == EAGAIN) {

        return C2_OK;

    }

    if (ret == EINTR || ret == ETIMEDOUT) {

    if (errno == EINTR || errno == ETIMEDOUT) {

        return C2_TIMED_OUT;

    }

    return C2_BAD_VALUE;