fixed incorrect TraccarDevice constructor

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/traccar/common/beans/TraccarDevice.java

@@ -55,9 +55,9 @@ public class TraccarDevice {
         this.category =category;
     }
 
-    public TraccarDevice(int id, String deviceIdentifier, String deviceName) {
+    public TraccarDevice(int id, String uniqueId, String deviceName) {
         this.id = id;
-        this.deviceIdentifier = deviceIdentifier;
+        this.uniqueId = uniqueId;
         this.deviceName = deviceName;
     }