title: Weird Acitivity Memory Leak Android 8.1
body: <p>Iam getting a weird memory leak in my activity. Iam using the latest Leak Canary.
  I dont think that is an actual leak, because i have tested in api 21 and api 27 and i dont get this message. Though apis 21,27 were tested on emulator only and the 8.1 was on an actual device, maybe thats the difference.</p>
  
  <p>I dont have those classes anywhere in my code.</p>
  
  <pre><code>debugImplementation 'com.squareup.leakcanary:leakcanary-android:1.6.1'
  releaseImplementation 'com.squareup.leakcanary:leakcanary-android-no-op:1.6.1'
  </code></pre>
  
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