title: bad apk when using bitcoinj from maven central
body: <p>I just tried to switch from a local bitcoinj jar to a version pulled from maven central and face a strange problem. The resulting apk's device compatibility marking is broken.</p>
  
  <p><img src="https://i.stack.imgur.com/6b2xq.png" alt="enter image description here">
  this section shows the change I tried:</p>
  
  <pre><code>// compile "com.google:bitcoinj:0.11.1"
  // the above looks like a really good idea, but unfortunately the apk resulting from this
  // is broken in the way that it is marked as available only for x86_64 - which are 0 devices
  // in google play at the moment - something strange gets pulled in there 
  
  compile files('libs/bitcoinj-0.8.jar')
  </code></pre>
  
  <p>before investigating what unwanted thing is pulled in here I just wanted to ask here if somebody faced the same thing. Strange only that this seems to be a jar dependency and I do not expect things like this to be pulled - there should be no native code ..</p>