[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/protocols/snmp/ctl/src/main/java/org/onosproject/snmp/ctl/DefaultSnmpController.java b/protocols/snmp/ctl/src/main/java/org/onosproject/snmp/ctl/DefaultSnmpController.java
index 6cc18af..a9eab3d 100644
--- a/protocols/snmp/ctl/src/main/java/org/onosproject/snmp/ctl/DefaultSnmpController.java
+++ b/protocols/snmp/ctl/src/main/java/org/onosproject/snmp/ctl/DefaultSnmpController.java
@@ -23,9 +23,6 @@
 import com.btisystems.pronx.ems.core.snmp.SnmpSessionFactory;
 import com.btisystems.pronx.ems.core.snmp.V2cSnmpConfiguration;
 import com.google.common.base.Preconditions;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Service;
 import org.onosproject.incubator.net.faultmanagement.alarm.Alarm;
 import org.onosproject.incubator.net.faultmanagement.alarm.AlarmId;
 import org.onosproject.incubator.net.faultmanagement.alarm.DefaultAlarm;
@@ -33,7 +30,9 @@
 import org.onosproject.snmp.SnmpController;
 import org.onosproject.snmp.SnmpDevice;
 import org.osgi.service.component.ComponentContext;
+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;
 
@@ -47,8 +46,7 @@
 /**
  * Default implementation of the SNMP sub-controller.
  */
-@Component(immediate = true)
-@Service
+@Component(immediate = true, service = SnmpController.class)
 public class DefaultSnmpController implements SnmpController {
 
     private final Logger log = LoggerFactory