Update input read to better handle errors

        ALOGV("%s: read failed - sleeping for buffer duration", __func__);

        usleep(bytes * 1000000 / audio_stream_in_frame_size(stream) /

               in_get_sample_rate(&in->stream.common));

    } else {

        memset(buffer, 0, bytes); // clear return data

    }

    if (bytes > 0) {

        in->frames_read += bytes / audio_stream_in_frame_size(stream);

    }

    return bytes;