title: Android Studio doesnt build after update
body: <p>I have just updated Android Studio to build 130.729444, and my project (which built correctly before the update) has stopped to work, and Android Studio shows me the following error:</p>
  
  <pre><code>Internal error: (java.lang.AssertionError) Unexpected node Android Packaging; nodes=[Module 'MyApplication' production, Module 'MyApplicationProject' production, Module 'MyApplication' tests, Module 'MyApplicationProject' tests, Resources for 'MyApplication' production, Resources for 'MyApplicationProject' production, Resources for 'MyApplication' tests, Resources for 'MyApplicationProject' tests, Artifact 'MyApplication', Android Gradle Build Target]
  java.lang.AssertionError: Unexpected node Android Packaging; nodes=[Module 'MyApplication' production, Module 'MyApplicationProject' production, Module 'MyApplication' tests, Module 'MyApplicationProject' tests, Resources for 'MyApplication' production, Resources for 'MyApplicationProject' production, Resources for 'MyApplication' tests, Resources for 'MyApplicationProject' tests, Artifact 'MyApplication', Android Gradle Build Target]
      at com.intellij.util.graph.GraphGenerator.buildOuts(GraphGenerator.java:55)
      at com.intellij.util.graph.GraphGenerator.&lt;init&gt;(GraphGenerator.java:36)
      at com.intellij.util.graph.GraphGenerator.create(GraphGenerator.java:40)
      at org.jetbrains.jps.builders.impl.BuildTargetIndexImpl.initializeChunks(BuildTargetIndexImpl.java:122)
      at org.jetbrains.jps.builders.impl.BuildTargetIndexImpl.getSortedTargetChunks(BuildTargetIndexImpl.java:105)
      at org.jetbrains.jps.incremental.IncProjectBuilder.buildChunks(IncProjectBuilder.java:578)
      at org.jetbrains.jps.incremental.IncProjectBuilder.runBuild(IncProjectBuilder.java:341)
      at org.jetbrains.jps.incremental.IncProjectBuilder.build(IncProjectBuilder.java:181)
      at org.jetbrains.jps.cmdline.BuildRunner.runBuild(BuildRunner.java:129)
      at org.jetbrains.jps.cmdline.BuildSession.runBuild(BuildSession.java:223)
      at org.jetbrains.jps.cmdline.BuildSession.run(BuildSession.java:113)
      at org.jetbrains.jps.cmdline.BuildMain$MyMessageHandler$1.run(BuildMain.java:130)
      at org.jetbrains.jps.service.impl.SharedThreadPoolImpl$1.run(SharedThreadPoolImpl.java:41)
      at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
      at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
      at java.util.concurrent.FutureTask.run(FutureTask.java:166)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
      at java.lang.Thread.run(Thread.java:724)
  </code></pre>
  
  <p>Anyone know how to solve this? I've thinking about returning to old version, but I want to know if it's my problem or I'm not the only one.</p>