title: Error:Could not initialize class com.android.ide.common.util.ReadWriteProcessLock after updating to A.S. 2.4
body: <p>After upgrading to Android Studio 2.4 Preview 4 I got this error</p>
  
  <blockquote>
    <p>Error:Could not initialize class com.android.ide.common.util.ReadWriteProcessLock</p>
  </blockquote>