Move some functions from segment routing manager to interface service/manager

Change-Id: I7185cf70f7e5d723a63ac35296b8916558560c35
diff --git a/apps/segmentrouting/app/src/test/java/org/onosproject/segmentrouting/MockInterfaceService.java b/apps/segmentrouting/app/src/test/java/org/onosproject/segmentrouting/MockInterfaceService.java
index f8d04ca..17422d2 100644
--- a/apps/segmentrouting/app/src/test/java/org/onosproject/segmentrouting/MockInterfaceService.java
+++ b/apps/segmentrouting/app/src/test/java/org/onosproject/segmentrouting/MockInterfaceService.java
@@ -19,7 +19,7 @@
 import com.google.common.collect.ImmutableSet;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.intf.Interface;
-import org.onosproject.net.intf.InterfaceServiceAdapter;
+import org.onosproject.net.intf.impl.InterfaceManager;
 
 import java.util.Set;
 import java.util.stream.Collectors;
@@ -27,7 +27,7 @@
 /**
  * Mock Interface Service.
  */
-public class MockInterfaceService extends InterfaceServiceAdapter {
+public class MockInterfaceService extends InterfaceManager {
     private Set<Interface> interfaces;
 
     MockInterfaceService(Set<Interface> interfaces) {