Revert "Revert "Fix audio VTS build""

    android::DeviceVector availableOutputDevices;

    android::DeviceVector availableInputDevices;

    sp<android::DeviceDescriptor> defaultOutputDevice;

    android::VolumeCurvesCollection volumes;

};

class PolicyConfig : private PolicyConfigData, public AudioPolicyConfig {

   public:

    PolicyConfig()

        : AudioPolicyConfig(hwModules, availableOutputDevices, availableInputDevices,

                            defaultOutputDevice, &volumes) {

                            defaultOutputDevice) {

        for (const char* location : kConfigLocations) {

            std::string path = std::string(location) + '/' + kConfigFileName;

            if (access(path.c_str(), F_OK) == 0) {