Merge "CameraNDK: add NDK API documents" into nyc-dev

    if (!serviceRet.isOk()) {

        ALOGE("%s: connect camera device failed: %s", __FUNCTION__, serviceRet.toString8().string());

        // Convert serviceRet to camera_status_t

        switch(serviceRet.serviceSpecificErrorCode()) {

            case hardware::ICameraService::ERROR_DISCONNECTED:

                ret = ACAMERA_ERROR_CAMERA_DISCONNECTED;

                break;

            case hardware::ICameraService::ERROR_CAMERA_IN_USE:

                ret = ACAMERA_ERROR_CAMERA_IN_USE;

                break;

            case hardware::ICameraService::ERROR_MAX_CAMERAS_IN_USE:

                ret = ACAMERA_ERROR_MAX_CAMERA_IN_USE;

                break;

            case hardware::ICameraService::ERROR_ILLEGAL_ARGUMENT:

                ret = ACAMERA_ERROR_INVALID_PARAMETER;

                break;

            case hardware::ICameraService::ERROR_DEPRECATED_HAL:

                // Should not reach here since we filtered legacy HALs earlier

                ret = ACAMERA_ERROR_INVALID_PARAMETER;

                break;

            case hardware::ICameraService::ERROR_DISABLED:

                ret = ACAMERA_ERROR_CAMERA_DISABLED;

                break;

            case hardware::ICameraService::ERROR_PERMISSION_DENIED:

                ret = ACAMERA_ERROR_PERMISSION_DENIED;

                break;

            case hardware::ICameraService::ERROR_INVALID_OPERATION:

            default:

                ret = ACAMERA_ERROR_UNKNOWN;

                break;

        }

        delete device;

        return ACAMERA_ERROR_CAMERA_DISCONNECTED;

        return ret;

    }

    if (deviceRemote == nullptr) {

        ALOGE("%s: connect camera device failed! remote device is null", __FUNCTION__);