Audio V4: Make test helper version independent

Bug: 38184704
Test: compile
Change-Id: Ia9ec81ccbad1d7411fdc570ae6dd728dd1520065
diff --git a/audio/common/2.0/default/Android.bp b/audio/common/2.0/default/Android.bp
index c111476..ac66479 100644
--- a/audio/common/2.0/default/Android.bp
+++ b/audio/common/2.0/default/Android.bp
@@ -1,5 +1,5 @@
 //
-// Copyright (C) 2017 The Android Open Source Project
+// Copyright (C) 2016 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.
diff --git a/audio/common/2.0/default/HidlUtils.cpp b/audio/common/2.0/default/HidlUtils.cpp
index 9b617bb..9771b7b 100644
--- a/audio/common/2.0/default/HidlUtils.cpp
+++ b/audio/common/2.0/default/HidlUtils.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2016 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.
diff --git a/audio/common/2.0/default/HidlUtils.h b/audio/common/2.0/default/HidlUtils.h
index 3d39933..24543b1 100644
--- a/audio/common/2.0/default/HidlUtils.h
+++ b/audio/common/2.0/default/HidlUtils.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2016 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.