Updating Copyright line to Open Networking Foundation

Change-Id: Icba96d7f39a065b53f34a6aeb71afd1f7d51f774
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/event/AbstractVirtualListenerManager.java b/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/event/AbstractVirtualListenerManager.java
index 0b0d85c..57dfe0c 100644
--- a/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/event/AbstractVirtualListenerManager.java
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/event/AbstractVirtualListenerManager.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017-present Open Networking Laboratory
+ * Copyright 2017-present Open Networking Foundation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/event/VirtualEvent.java b/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/event/VirtualEvent.java
index 5ffdc37..bbba983 100644
--- a/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/event/VirtualEvent.java
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/event/VirtualEvent.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017-present Open Networking Laboratory
+ * Copyright 2017-present Open Networking Foundation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/event/VirtualListenerRegistryManager.java b/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/event/VirtualListenerRegistryManager.java
index 252d466..55210dd 100644
--- a/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/event/VirtualListenerRegistryManager.java
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/event/VirtualListenerRegistryManager.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017-present Open Networking Laboratory
+ * Copyright 2017-present Open Networking Foundation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/event/package-info.java b/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/event/package-info.java
index 5032dc3..448df90 100644
--- a/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/event/package-info.java
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/event/package-info.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017-present Open Networking Laboratory
+ * Copyright 2017-present Open Networking Foundation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.