Merge "audioflinger: Fix move semantics in PatchPanel"

    class Endpoint {

    public:

        Endpoint() = default;

        Endpoint(Endpoint&& other) { *this = std::move(other); }

        Endpoint& operator=(Endpoint&& other) {

        Endpoint(const Endpoint&) = delete;

        Endpoint& operator=(const Endpoint&) = delete;

        Endpoint(Endpoint&& other) noexcept { swap(other); }

        Endpoint& operator=(Endpoint&& other) noexcept {

            swap(other);

            return *this;

        }

        ~Endpoint() {

            ALOGE_IF(mHandle != AUDIO_PATCH_HANDLE_NONE,

                    "A non empty Patch Endpoint leaked, handle %d", mHandle);

            *this = other;

            other.mHandle = AUDIO_PATCH_HANDLE_NONE;

            return *this;

        }

        status_t checkTrack(TrackType *trackOrNull) const {

        }

        void stopTrack() { if (mTrack) mTrack->stop(); }

    private:

        Endpoint(const Endpoint&) = default;

        Endpoint& operator=(const Endpoint&) = default;

        void swap(Endpoint &other) noexcept {

            using std::swap;

            swap(mThread, other.mThread);

            swap(mCloseThread, other.mCloseThread);

            swap(mHandle, other.mHandle);

            swap(mTrack, other.mTrack);

        }

        friend void swap(Endpoint &a, Endpoint &b) noexcept {

            a.swap(b);

        }

    private:

        sp<ThreadType> mThread;

        bool mCloseThread = true;

        audio_patch_handle_t mHandle = AUDIO_PATCH_HANDLE_NONE;