Merge "Audio HAL: Update for the new definition of SinkMetadata"

    HidlUtils::audioConfigFromHal(*config, &hidlConfig);

    Result retval = Result::NOT_INITIALIZED;

#if MAJOR_VERSION == 2

    auto sourceMetadata = AudioSource(source);

    auto sinkMetadata = AudioSource(source);

#elif MAJOR_VERSION >= 4

    // TODO: correctly propagate the tracks sources and volume

    //       for now, only send the main source at 1dbfs

    SinkMetadata sourceMetadata = {{{AudioSource(source), 1}}};

    SinkMetadata sinkMetadata = {{{ .source = AudioSource(source), .gain = 1 }}};

#endif

    Return<void> ret = mDevice->openInputStream(

            handle,

            hidlDevice,

            hidlConfig,

            EnumBitfield<AudioInputFlag>(flags),

            sourceMetadata,

            sinkMetadata,

            [&](Result r, const sp<IStreamIn>& result, const AudioConfig& suggestedConfig) {

                retval = r;

                if (retval == Result::OK) {