Correct license header of ply to AOSP

Bug: 153941871
Test: None
Change-Id: Ic48b01d0365bc8443986533746e149b7aa2c8cfc
diff --git a/ply/Android.bp b/ply/Android.bp
index b390dcc..b9ef876 100644
--- a/ply/Android.bp
+++ b/ply/Android.bp
@@ -1,4 +1,4 @@
-// Copyright 2020 Google Inc. All rights reserved.
+// Copyright (C) 2020 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.