Hide Chrome actions in notifications shown for WebAPKs

chrome/android/webapk/shell_apk/AndroidManifest.xml

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright 2015 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.
 -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     package="{{{manifest_package}}}"
     android:versionCode="{{{version_code}}}"
     android:versionName="{{{version_name}}}" >
@@ skipping 13 matching lines @@
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
             <intent-filter>
                 <action android:name="android.intent.action.VIEW"></action>
                 <category android:name="android.intent.category.DEFAULT"></category>
                 <category android:name="android.intent.category.BROWSABLE"></category>
                 <data android:scheme="{{{scope_url_scheme}}}" android:host="{{{scope_url_host}}}" android:pathPrefix="{{{scope_url_path}}}"></data>
             </intent-filter>
         </activity>
-        <activity android:name="org.chromium.webapk.shell_apk.NotificationSettingsLauncherActivity">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN"/>
-                <category android:name="android.intent.category.NOTIFICATION_PREFERENCES"/>
-            </intent-filter>
-        </activity>
         <meta-data android:name="org.chromium.webapk.shell_apk.shellApkVersion" android:value="{{{shell_apk_version}}}" />
         <meta-data android:name="org.chromium.webapk.shell_apk.runtimeHost" android:value="{{{runtime_host}}}" />
         <meta-data android:name="org.chromium.webapk.shell_apk.startUrl" android:value="{{{start_url}}}" />
         <meta-data android:name="org.chromium.webapk.shell_apk.name" android:value="{{{name}}}" />
         <meta-data android:name="org.chromium.webapk.shell_apk.shortName" android:value="{{{short_name}}}" />
         <meta-data android:name="org.chromium.webapk.shell_apk.scope" android:value="{{{scope_url}}}" />
         <meta-data android:name="org.chromium.webapk.shell_apk.displayMode" android:value="{{{display_mode}}}" />
         <meta-data android:name="org.chromium.webapk.shell_apk.orientation" android:value="{{{orientation}}}" />
         <meta-data android:name="org.chromium.webapk.shell_apk.themeColor" android:value="{{{theme_color}}}" />
         <meta-data android:name="org.chromium.webapk.shell_apk.backgroundColor" android:value="{{{background_color}}}" />
@@ skipping 23 matching lines @@
             android:process=":webapk_sandboxed_process1"
             android:exported="true"
             tools:ignore="ExportedService"/>
         <service android:name="org.chromium.webapk.shell_apk.WebApkSandboxedProcessService2"
             android:isolatedProcess="true"
             android:process=":webapk_sandboxed_process2"
             android:exported="true"
             tools:ignore="ExportedService"/>
     </application>
 </manifest>