Normalize Google copyright comments
diff --git a/android_jni/avifandroidjni/src/main/java/org/aomedia/avif/android/AvifDecoder.java b/android_jni/avifandroidjni/src/main/java/org/aomedia/avif/android/AvifDecoder.java
index 5baede3..931b07c 100644
--- a/android_jni/avifandroidjni/src/main/java/org/aomedia/avif/android/AvifDecoder.java
+++ b/android_jni/avifandroidjni/src/main/java/org/aomedia/avif/android/AvifDecoder.java
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC. All rights reserved.
+// Copyright 2022 Google LLC
// SPDX-License-Identifier: BSD-2-Clause
package org.aomedia.avif.android;
diff --git a/android_jni/avifandroidjni/src/main/jni/CMakeLists.txt b/android_jni/avifandroidjni/src/main/jni/CMakeLists.txt
index 26a3b2b..e6c99ea 100644
--- a/android_jni/avifandroidjni/src/main/jni/CMakeLists.txt
+++ b/android_jni/avifandroidjni/src/main/jni/CMakeLists.txt
@@ -1,4 +1,4 @@
-# Copyright 2022 Google LLC. All rights reserved.
+# Copyright 2022 Google LLC
# SPDX-License-Identifier: BSD-2-Clause
cmake_minimum_required(VERSION 3.13)
diff --git a/android_jni/avifandroidjni/src/main/jni/libavif_jni.cc b/android_jni/avifandroidjni/src/main/jni/libavif_jni.cc
index 6284870..8e0afa5 100644
--- a/android_jni/avifandroidjni/src/main/jni/libavif_jni.cc
+++ b/android_jni/avifandroidjni/src/main/jni/libavif_jni.cc
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC. All rights reserved.
+// Copyright 2022 Google LLC
// SPDX-License-Identifier: BSD-2-Clause
#include <android/bitmap.h>
diff --git a/src/codec_libgav1.c b/src/codec_libgav1.c
index d5a033c..77271ad 100644
--- a/src/codec_libgav1.c
+++ b/src/codec_libgav1.c
@@ -1,4 +1,4 @@
-// Copyright 2020 Google LLC. All rights reserved.
+// Copyright 2020 Google LLC
// SPDX-License-Identifier: BSD-2-Clause
#include "avif/internal.h"
diff --git a/src/exif.c b/src/exif.c
index 2dbdfd8..58489b3 100644
--- a/src/exif.c
+++ b/src/exif.c
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC. All rights reserved.
+// Copyright 2022 Google LLC
// SPDX-License-Identifier: BSD-2-Clause
#include "avif/internal.h"
diff --git a/src/reformat_libsharpyuv.c b/src/reformat_libsharpyuv.c
index c9ce2dc..5810aa8 100644
--- a/src/reformat_libsharpyuv.c
+++ b/src/reformat_libsharpyuv.c
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC. All rights reserved.
+// Copyright 2022 Google LLC
// SPDX-License-Identifier: BSD-2-Clause
#include "avif/internal.h"
diff --git a/tests/gtest/are_images_equal.cc b/tests/gtest/are_images_equal.cc
index 93a1012..2a06dc8 100644
--- a/tests/gtest/are_images_equal.cc
+++ b/tests/gtest/are_images_equal.cc
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC. All rights reserved.
+// Copyright 2022 Google LLC
// SPDX-License-Identifier: BSD-2-Clause
// Compares two files and returns whether they are the same once decoded.
diff --git a/tests/gtest/avifallocationtest.cc b/tests/gtest/avifallocationtest.cc
index 2b4315f..57d6e42 100644
--- a/tests/gtest/avifallocationtest.cc
+++ b/tests/gtest/avifallocationtest.cc
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC. All rights reserved.
+// Copyright 2022 Google LLC
// SPDX-License-Identifier: BSD-2-Clause
#include <limits>
diff --git a/tests/gtest/avifgridapitest.cc b/tests/gtest/avifgridapitest.cc
index 8934574..c69994b 100644
--- a/tests/gtest/avifgridapitest.cc
+++ b/tests/gtest/avifgridapitest.cc
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC. All rights reserved.
+// Copyright 2022 Google LLC
// SPDX-License-Identifier: BSD-2-Clause
#include <vector>
diff --git a/tests/gtest/avifincrtest.cc b/tests/gtest/avifincrtest.cc
index 4ed5ef1..e749dd3 100644
--- a/tests/gtest/avifincrtest.cc
+++ b/tests/gtest/avifincrtest.cc
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC. All rights reserved.
+// Copyright 2022 Google LLC
// SPDX-License-Identifier: BSD-2-Clause
#include <fstream>
diff --git a/tests/gtest/avifincrtest_helpers.cc b/tests/gtest/avifincrtest_helpers.cc
index da11a3f..b1f2c68 100644
--- a/tests/gtest/avifincrtest_helpers.cc
+++ b/tests/gtest/avifincrtest_helpers.cc
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC. All rights reserved.
+// Copyright 2022 Google LLC
// SPDX-License-Identifier: BSD-2-Clause
#include "avifincrtest_helpers.h"
diff --git a/tests/gtest/avifmetadatatest.cc b/tests/gtest/avifmetadatatest.cc
index 3bdc5a9..507b573 100644
--- a/tests/gtest/avifmetadatatest.cc
+++ b/tests/gtest/avifmetadatatest.cc
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC. All rights reserved.
+// Copyright 2022 Google LLC
// SPDX-License-Identifier: BSD-2-Clause
#include <array>
diff --git a/tests/gtest/avifrgbtoyuvtest.cc b/tests/gtest/avifrgbtoyuvtest.cc
index b9f8013..ddcce45 100644
--- a/tests/gtest/avifrgbtoyuvtest.cc
+++ b/tests/gtest/avifrgbtoyuvtest.cc
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC. All rights reserved.
+// Copyright 2022 Google LLC
// SPDX-License-Identifier: BSD-2-Clause
#include <algorithm>
diff --git a/tests/gtest/aviftest_helpers.cc b/tests/gtest/aviftest_helpers.cc
index 0cc53ea..c07725b 100644
--- a/tests/gtest/aviftest_helpers.cc
+++ b/tests/gtest/aviftest_helpers.cc
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC. All rights reserved.
+// Copyright 2022 Google LLC
// SPDX-License-Identifier: BSD-2-Clause
#include "aviftest_helpers.h"
diff --git a/tests/gtest/aviftilingtest.cc b/tests/gtest/aviftilingtest.cc
index edab714..b828216 100644
--- a/tests/gtest/aviftilingtest.cc
+++ b/tests/gtest/aviftilingtest.cc
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC. All rights reserved.
+// Copyright 2022 Google LLC
// SPDX-License-Identifier: BSD-2-Clause
#include <ostream>
diff --git a/tests/gtest/avify4mtest.cc b/tests/gtest/avify4mtest.cc
index 4faf11b..fa64c71 100644
--- a/tests/gtest/avify4mtest.cc
+++ b/tests/gtest/avify4mtest.cc
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC. All rights reserved.
+// Copyright 2022 Google LLC
// SPDX-License-Identifier: BSD-2-Clause
#include <sstream>
