[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/pipelines/fabric/src/main/java/org/onosproject/pipelines/fabric/IntProgrammableImpl.java b/pipelines/fabric/src/main/java/org/onosproject/pipelines/fabric/IntProgrammableImpl.java
index 2019b3e..01885bf 100644
--- a/pipelines/fabric/src/main/java/org/onosproject/pipelines/fabric/IntProgrammableImpl.java
+++ b/pipelines/fabric/src/main/java/org/onosproject/pipelines/fabric/IntProgrammableImpl.java
@@ -17,8 +17,8 @@
 
 import com.google.common.collect.ImmutableBiMap;
 import com.google.common.collect.Sets;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.onlab.util.ImmutableByteSequence;
 import org.onlab.util.SharedExecutors;
 import org.onosproject.core.ApplicationId;
@@ -78,16 +78,16 @@
             Criterion.Type.TCP_SRC, Criterion.Type.TCP_DST,
             Criterion.Type.IP_PROTO);
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     private FlowRuleService flowRuleService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     private DeviceService deviceService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     private HostService hostService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     private CoreService coreService;
 
     private DeviceId deviceId;