Fixed build failure due to incorrect class name

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/internal/DeviceManagementServiceComponent.java

@@ -117,7 +117,7 @@ import java.util.concurrent.TimeUnit;
  * bind="setDeviceTypeGeneratorService"
  * unbind="unsetDeviceTypeGeneratorService"
  */
-public class deviceDeviceManagementServiceComponent {
+public class DeviceManagementServiceComponent {
 
     private static final Object LOCK = new Object();
     private static Log log = LogFactory.getLog(DeviceManagementServiceComponent.class);