moved Timestamped to appropriate package

Change-Id: I5cb9385b9bb84c0942014dd69654cfbce97db77b
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalDeviceEventSerializer.java b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalDeviceEventSerializer.java
index 0d3d013..5f97afd 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalDeviceEventSerializer.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalDeviceEventSerializer.java
@@ -3,7 +3,7 @@
 import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.net.device.DeviceDescription;
 import org.onlab.onos.net.provider.ProviderId;
-import org.onlab.onos.store.common.impl.Timestamped;
+import org.onlab.onos.store.impl.Timestamped;
 
 import com.esotericsoftware.kryo.Kryo;
 import com.esotericsoftware.kryo.Serializer;