Address PR comments

android/java/apk_for_test.flags

@@ -205,3 +205,7 @@
 -keep class org.chromium.chrome.browser.customtabs.CustomTabAppMenuPropertiesDelegate {
     public <init>(...);
 }
+
+-keep class org.chromium.chrome.browser.safe_browsing.settings.BraveStandardProtectionSettingsFragment {
+    *** updateLeakDetectionAndExtendedReportingPreferences(...);
+}

android/java/org/chromium/chrome/browser/safe_browsing/settings/BraveStandardProtectionSettingsFragment.java

@@ -1,6 +1,7 @@
-// Copyright 2021 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.
+/* Copyright (c) 2021 The Brave Authors. All rights reserved.
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 package org.chromium.chrome.browser.safe_browsing.settings;