[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/LinkCollectionIntentCompiler.java b/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/LinkCollectionIntentCompiler.java
index 6413408..b6e956e 100644
--- a/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/LinkCollectionIntentCompiler.java
+++ b/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/LinkCollectionIntentCompiler.java
@@ -19,11 +19,11 @@
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 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.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.onlab.util.Identifier;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.core.CoreService;
@@ -70,16 +70,16 @@
     private static final String UNSUPPORTED_INSTRUCTION = "Unsupported %s instruction";
 
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected IntentConfigurableRegistrator registrator;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected CoreService coreService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected ResourceService resourceService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected DomainService domainService;
 
     private ApplicationId appId;