[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/core/store/dist/src/main/java/org/onosproject/store/pi/impl/DistributedDevicePipeconfMappingStore.java b/core/store/dist/src/main/java/org/onosproject/store/pi/impl/DistributedDevicePipeconfMappingStore.java
index 092b8eb..a732cad 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/pi/impl/DistributedDevicePipeconfMappingStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/pi/impl/DistributedDevicePipeconfMappingStore.java
@@ -20,12 +20,6 @@
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Multimaps;
 import com.google.common.collect.SetMultimap;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.apache.felix.scr.annotations.Service;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.pi.model.PiPipeconfId;
 import org.onosproject.net.pi.service.PiPipeconfDeviceMappingEvent;
@@ -38,6 +32,11 @@
 import org.onosproject.store.service.MapEventListener;
 import org.onosproject.store.service.Serializer;
 import org.onosproject.store.service.StorageService;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.slf4j.Logger;
 
 import java.util.Set;
@@ -47,15 +46,14 @@
 /**
  * Manages information of pipeconf to device binding.
  */
-@Component(immediate = true)
-@Service
+@Component(immediate = true, service = PiPipeconfMappingStore.class)
 public class DistributedDevicePipeconfMappingStore
         extends AbstractStore<PiPipeconfDeviceMappingEvent, PiPipeconfMappingStoreDelegate>
         implements PiPipeconfMappingStore {
 
     private final Logger log = getLogger(getClass());
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected StorageService storageService;
 
     protected ConsistentMap<DeviceId, PiPipeconfId> deviceToPipeconf;