Export the Receiver to fix the compile error

Application/src/main/AndroidManifest.xml

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright 2015 Google Inc. All Rights Reserved.
 
      Licensed under the Apache License, Version 2.0 (the "License");
      you may not use this file except in compliance with the License.
      You may obtain a copy of the License at
 
          http://www.apache.org/licenses/LICENSE-2.0
 
      Unless required by applicable law or agreed to in writing, software
@@ skipping 19 matching lines @@
             android:name="org.chromium.customtabsclient.MainActivity"
             android:label="@string/app_name" >
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
         <service
             android:name=".shared.KeepAliveService"
             android:exported="true"/>
-        <receiver android:name="org.chromium.customtabsclient.BrowserActionsReceiver"/>
+        <receiver
+            android:name="org.chromium.customtabsclient.BrowserActionsReceiver"
+            android:exported="true"/>
         <receiver android:name=".BottomBarManager"/>
     </application>
-
 </manifest>