title: concurrentConsumers in camel route to share the same threadPool
body: <p>Consired I'm having the following routes:</p>
  
  <pre><code>from('activemq:queue:myQueue?concurrentConsumers=10').
  .....
  
  from('seda:mySedaQueue?concurrentConsumers=10').
  .....
  </code></pre>
  
  <p>How to make them sharing the same <code>threadPool</code>. Is that possible?</p>