Update copyright headers in net/

The methodology used to generate this CL is documented in
https://crbug.com/1098010#c95.

No-Try: true
Bug: 1098010
Change-Id: I26884c98578ee1ba4d7708ace5b25d1df5c0e576
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3895939
Owners-Override: Avi Drissman <[email protected]>
Commit-Queue: Mark Mentovai <[email protected]>
Reviewed-by: Mark Mentovai <[email protected]>
Auto-Submit: Avi Drissman <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1047098}
diff --git a/net/http/transport_security_persister_unittest.cc b/net/http/transport_security_persister_unittest.cc
index a45a44f..92533e8 100644
--- a/net/http/transport_security_persister_unittest.cc
+++ b/net/http/transport_security_persister_unittest.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright 2012 The Chromium Authors
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.