silence sensorservice when it's dropping events

    if (size == -EAGAIN) {

        // the destination doesn't accept events anymore, it's probably

        // full. For now, we just drop the events on the floor.

        LOGW("dropping %d events on the floor", count);

        //LOGW("dropping %d events on the floor", count);

        return size;

    }

    LOGE_IF(size<0, "dropping %d events on the floor (%s)",

            count, strerror(-size));

    //LOGE_IF(size<0, "dropping %d events on the floor (%s)",

    //        count, strerror(-size));

    return size < 0 ? status_t(size) : status_t(NO_ERROR);

}