[AETHER-598] Updates onos dependency to 2.2.4 and fix api/impl bundles issue.

API and Impl bundles both have `org.onosproject.segmentrouting.config` package
which creates issues during the app activation

Change-Id: I087c9a037b86ba522cfe568c43c102705e6ca4f2
diff --git a/impl/src/test/java/org/onosproject/segmentrouting/config/DeviceConfigurationTest.java b/impl/src/test/java/org/onosproject/segmentrouting/config/DeviceConfigurationTest.java
index 1674f6c..d482d60 100644
--- a/impl/src/test/java/org/onosproject/segmentrouting/config/DeviceConfigurationTest.java
+++ b/impl/src/test/java/org/onosproject/segmentrouting/config/DeviceConfigurationTest.java
@@ -36,6 +36,7 @@
 import org.onosproject.net.intf.Interface;
 import org.onosproject.net.intf.InterfaceService;
 import org.onosproject.net.neighbour.NeighbourResolutionService;
+import org.onosproject.segmentrouting.DeviceConfiguration;
 import org.onosproject.segmentrouting.SegmentRoutingManager;
 
 import java.io.InputStream;