title: E/SchedPolicy: set_timerslack_ns write failed: Operation not permitted
body: <p>On an activity that uses:</p>
  
  <pre><code>implementation 'com.sun.mail:android-mail:1.6.2'
  implementation 'com.sun.mail:android-activation:1.6.2'
  </code></pre>
  
  <p>In the logcat I see this:
  <code>E/SchedPolicy: set_timerslack_ns write failed: Operation not permitted</code></p>
  
  <p><strong>I already tried:</strong></p>
  
  <pre><code>&lt;uses-library android:name="org.apache.http.legacy" android:required="false"/&gt;
  </code></pre>