[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/LocalRemoteServiceProvider.java b/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/LocalRemoteServiceProvider.java
index 871e630..5ef0d20 100644
--- a/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/LocalRemoteServiceProvider.java
+++ b/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/LocalRemoteServiceProvider.java
@@ -22,11 +22,11 @@
 import java.util.Objects;
 import java.util.concurrent.ConcurrentHashMap;
 
-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.osgi.DefaultServiceDirectory;
 import org.onlab.osgi.ServiceDirectory;
 import org.onosproject.incubator.rpc.RemoteServiceContext;
@@ -58,7 +58,7 @@
 
     private static final ProviderId PID = new ProviderId("local", "org.onosproject.rpc.provider.local");
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected RemoteServiceProviderRegistry rpcRegistry;
 
     private final Map<Class<? extends Object>, Object> services = new ConcurrentHashMap<>();
diff --git a/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/RemoteServiceManager.java b/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/RemoteServiceManager.java
index 2ce7bc8..b6afe06 100644
--- a/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/RemoteServiceManager.java
+++ b/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/RemoteServiceManager.java
@@ -15,29 +15,26 @@
  */
 package org.onosproject.incubator.rpc.impl;
 
-import java.net.URI;
-
-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.Service;
+import com.google.common.annotations.Beta;
 import org.onosproject.incubator.rpc.RemoteServiceContext;
-import org.onosproject.incubator.rpc.RemoteServiceDirectory;
 import org.onosproject.incubator.rpc.RemoteServiceContextProvider;
 import org.onosproject.incubator.rpc.RemoteServiceContextProviderService;
+import org.onosproject.incubator.rpc.RemoteServiceDirectory;
 import org.onosproject.incubator.rpc.RemoteServiceProviderRegistry;
 import org.onosproject.net.provider.AbstractProviderService;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.google.common.annotations.Beta;
+import java.net.URI;
 
 /**
  * Provides RemoteService related APIs.
  */
 @Beta
-@Component(immediate = true)
-@Service
+@Component(immediate = true, service = { RemoteServiceDirectory.class, RemoteServiceProviderRegistry.class })
 public class RemoteServiceManager extends AbstractProviderRegistry
     implements RemoteServiceDirectory, RemoteServiceProviderRegistry {