[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/apps/pi-demo/ecmp/src/main/java/org/onosproject/pi/demo/app/ecmp/EcmpFabricApp.java b/apps/pi-demo/ecmp/src/main/java/org/onosproject/pi/demo/app/ecmp/EcmpFabricApp.java
index bb15afc..d8d7a1d 100644
--- a/apps/pi-demo/ecmp/src/main/java/org/onosproject/pi/demo/app/ecmp/EcmpFabricApp.java
+++ b/apps/pi-demo/ecmp/src/main/java/org/onosproject/pi/demo/app/ecmp/EcmpFabricApp.java
@@ -21,8 +21,8 @@
 import com.google.common.collect.Sets;
 import org.apache.commons.lang3.tuple.ImmutablePair;
 import org.apache.commons.lang3.tuple.Pair;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
 import org.onlab.packet.IpAddress;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.Host;