Fix build failure

components/device-mgt/io.entgra.carbon.device.mgt.config.api/pom.xml

@@ -236,7 +236,7 @@
         </dependency>
         <dependency>
             <groupId>javax.servlet</groupId>
-            <artifactId>servlet-api</artifactId>
+            <artifactId>javax.servlet-api</artifactId>
             <scope>provided</scope>
         </dependency>
         <dependency>

components/device-mgt/io.entgra.carbon.device.mgt.config.api/src/main/java/io/entgra/carbon/device/mgt/config/jaxrs/service/impl/DeviceManagementConfigServiceImpl.java

@@ -28,10 +28,10 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.wso2.carbon.device.mgt.common.AppRegistrationCredentials;
 import org.wso2.carbon.device.mgt.common.ApplicationRegistrationException;
-import org.wso2.carbon.device.mgt.common.DeviceManagementException;
-import org.wso2.carbon.device.mgt.common.DeviceNotFoundException;
 import org.wso2.carbon.device.mgt.common.configuration.mgt.AmbiguousConfigurationException;
 import org.wso2.carbon.device.mgt.common.configuration.mgt.DeviceConfiguration;
+import org.wso2.carbon.device.mgt.common.exceptions.DeviceManagementException;
+import org.wso2.carbon.device.mgt.common.exceptions.DeviceNotFoundException;
 import org.wso2.carbon.device.mgt.core.DeviceManagementConstants;
 import org.wso2.carbon.device.mgt.core.service.DeviceManagementProviderService;
 import org.wso2.carbon.device.mgt.core.util.DeviceManagerUtil;