visualizer: correct copyright years

Correct copyright years.

Change-Id: I1c40d643599c842d7fd94b33ad2cf93465a794b1
CRs-Fixed: 2032490
diff --git a/visualizer/offload_visualizer.c b/visualizer/offload_visualizer.c
index 30e9e79..6c9a01f 100644
--- a/visualizer/offload_visualizer.c
+++ b/visualizer/offload_visualizer.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013, 2017 The Android Open Source Project
+ * Copyright (C) 2013 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.