Update header file to include right copyright (#10854)

Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/10854

Reviewed By: siying

Differential Revision: D40651483

Pulled By: akankshamahajan15

fbshipit-source-id: 95ce53297e9699a34cc80439bc7553f6cc3ac957

include/rocksdb/block_cache_trace_writer.h

@@ -1,5 +1,5 @@
-// Copyright (c) 2022, Meta, Inc.  All rights reserved.
-//  This source code is licensed under both the GPLv2 (found in the
+// Copyright (c) 2022, Meta Platforms, Inc. and affiliates.  All rights
+// reserved. This source code is licensed under both the GPLv2 (found in the
 // COPYING file in the root directory) and Apache 2.0 License
 // (found in the LICENSE.Apache file in the root directory).