Fix typos in copyright declaration at the top of files

This CL fixes "AUthors" in multiple files to "Authors".

Change-Id: I05424e626fe57b72407c3dc9dc6716f94055462e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2557884Reviewed-by: Hiroshige Hayashizaki <hiroshige@chromium.org>
Commit-Queue: Hiroshige Hayashizaki <hiroshige@chromium.org>
Commit-Queue: Nidhi Jaju <nidhijaju@google.com>
Cr-Commit-Position: refs/heads/master@{#830822}

third_party/blink/renderer/core/loader/resource/script_resource_test.cc

-// Copyright 2020 The Chromium AUthors. All rights reserved.
+// Copyright 2020 The Chromium Authors. All rights reserved.
 // Use of this sink code is governed by a BSD-style license that can be found
 // in the LICENSE file.
 

third_party/blink/renderer/core/streams/readable_byte_stream_controller.h

-// Copyright 2020 The Chromium AUthors. All rights reserved.
+// Copyright 2020 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be found
 // in the LICENSE file.
 

third_party/blink/renderer/core/streams/readable_stream_byob_reader.h

-// Copyright 2020 The Chromium AUthors. All rights reserved.
+// Copyright 2020 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be found
 // in the LICENSE file.
 

third_party/blink/renderer/core/streams/readable_stream_byob_request.h

-// Copyright 2020 The Chromium AUthors. All rights reserved.
+// Copyright 2020 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be found
 // in the LICENSE file.
 

third_party/blink/renderer/core/streams/readable_stream_controller.h

-// Copyright 2020 The Chromium AUthors. All rights reserved.
+// Copyright 2020 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be found
 // in the LICENSE file.
 

third_party/blink/renderer/core/streams/readable_stream_transferring_optimizer.h

-// Copyright 2020 The Chromium AUthors. All rights reserved.
+// Copyright 2020 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be found
 // in the LICENSE file.
 

third_party/blink/renderer/core/streams/writable_stream_transferring_optimizer.h

-// Copyright 2020 The Chromium AUthors. All rights reserved.
+// Copyright 2020 The Chromium Authors. All rights reserved.
 // Use of this sink code is governed by a BSD-style license that can be found
 // in the LICENSE file.
 

third_party/blink/renderer/platform/loader/fetch/cached_metadata_handler_test.cc

-// Copyright 2020 The Chromium AUthors. All rights reserved.
+// Copyright 2020 The Chromium Authors. All rights reserved.
 // Use of this sink code is governed by a BSD-style license that can be found
 // in the LICENSE file.