title: Android Gradle how to exclude buttonBarStyle from .aar dependency
body: <p>I have an android studio project that uses the android support library.  I'm not trying to include a .aar library.  When I do so, I get the following errors: </p>
  
  <p>/Users/kyle/development/Android/UBT_Wallet/app/src/main/res/values/color.xml
  Error:(2) Attribute "buttonBarStyle" has already been defined
  Error:(2) Attribute "buttonBarButtonStyle" has already been defined
  Error:Execution failed for task ':app:processDebugResources'.</p>
  
  <blockquote>
    <p>com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command '/Users/kyle/Library/Android/sdk/build-tools/21.1.2/aapt'' finished with non-zero exit value 1</p>
  </blockquote>
  
  <p>How do I exclude the barButtonStyle and buttonBarButtonStyle styles from being included?</p>