title: Execution failed for task Program type already present
body: <p>I include this new library into my dependencies </p>
  
  <pre><code>compile 'com.github.Triggertrap:SeekArc:v1.1'
  </code></pre>
  
  <p>Then when I build I get build error</p>
  
  <pre><code>Error:Exception in thread "queued-resource-processor_458" java.lang.RuntimeException: Timed out while waiting for slave aapt process, make sure the aapt execute at C:\Users\kepler\AppData\Local\Android\Sdk\build-tools\27.0.1\aapt2.exe can run successfully (some anti-virus may block it) or try setting environment variable SLAVE_AAPT_TIMEOUT to a value bigger than 5 seconds
      at com.android.builder.png.AaptProcess.waitForReadyOrFail(AaptProcess.java:196)
      at com.android.builder.internal.aapt.AaptQueueThreadContext.creation(AaptQueueThreadContext.java:56)
      at com.android.builder.tasks.WorkQueue.run(WorkQueue.java:250)
      at java.lang.Thread.run(Thread.java:745)
  FAILURE: Build failed with an exception.
  
  * What went wrong:
  Execution failed for task ':app:transformDexArchiveWithExternalLibsDexMergerForDebug'.
  &gt; Program type already present: android.support.v4.accessibilityservice.AccessibilityServiceInfoCompat$AccessibilityServiceInfoIcsImpl
  
  * Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
  
  * Get more help at https://help.gradle.org
  
  BUILD FAILED in 20s
  </code></pre>
  
  <p>Is it possible I have a dependency conflict according from above message?</p>
  
  <pre><code>Program type already present: android.support.v4.accessibilityservice.AccessibilityServiceInfoCompat$AccessibilityServiceInfoIcsImpl
  </code></pre>
  
  <p>I've tried printing my dependency tree, but I have no idea how to find the dependency conflict with it.</p>