Merge "hal: Use cached value of bt encoder format for encoder latency"

uint32_t audio_extn_a2dp_get_encoder_latency()

{

    void *codec_info = NULL;

    uint8_t multi_cast = 0, num_dev = 1;

    audio_format_t codec_type = AUDIO_FORMAT_INVALID;

    uint32_t latency = 0;

    int avsync_runtime_prop = 0;

    int sbc_offset = 0, aptx_offset = 0, aptxhd_offset = 0, aac_offset = 0;

    char value[PROPERTY_VALUE_MAX];

    if (!a2dp.audio_get_codec_config) {

        ALOGE(" a2dp handle is not identified");

        return latency;

    }

    if (a2dp.a2dp_started)

        codec_info = a2dp.audio_get_codec_config(&multi_cast, &num_dev,

                               &codec_type);

    memset(value, '\0', sizeof(char)*PROPERTY_VALUE_MAX);

    avsync_runtime_prop = property_get("audio.a2dp.codec.latency", value, NULL);

    if (avsync_runtime_prop > 0) {

        }

    }

    switch(codec_type) {

    switch(a2dp.bt_encoder_format) {

        case AUDIO_FORMAT_SBC:

            latency = (avsync_runtime_prop > 0) ? sbc_offset : 150;

            break;