In file included from external/droidmedia/minimedia.cpp:22:
In file included from frameworks/av/services/camera/libcameraservice/CameraService.h:20:
In file included from out/soong/.intermediates/frameworks/av/camera/libcamera_client/android_arm_armv8-2a_cortex-a55_shared/gen/aidl/android/hardware/BnCameraService.h:5:
In file included from out/soong/.intermediates/frameworks/av/camera/libcamera_client/android_arm_armv8-2a_cortex-a55_shared/gen/aidl/android/hardware/ICameraService.h:12:
In file included from frameworks/av/camera/include/camera/CameraBase.h:23:
frameworks/native/libs/binder/include/binder/BinderService.h:40:72: error: allocating an object of abstract class type 'android::FakeAudioPolicyService'
        return sm->addService(String16(SERVICE::getServiceName()), new SERVICE(), allowIsolated,
                                                                       ^
frameworks/native/libs/binder/include/binder/BinderService.h:51:33: note: in instantiation of member function 'android::BinderService::publish' requested here
    static void instantiate() { publish(); }
                                ^
external/droidmedia/minimedia.cpp:68:29: note: in instantiation of member function 'android::BinderService::instantiate' requested here
    FakeAudioPolicyService::instantiate();
                            ^
frameworks/av/media/libaudioclient/include/media/IAudioPolicyService.h:258:22: note: unimplemented pure virtual method 'listAudioSessions' in 'FakeAudioPolicyService'
    virtual status_t listAudioSessions(audio_stream_type_t streams,
                     ^
1 error generated.