title: Build errors after android studio update
body: <p>After update android studio when I create a project I get an error:</p>
  
  <blockquote>
    <p>Error:Execution failed for task ':app:preDebugAndroidTestBuild'.
    Conflict with dependency 'com.android.support:support-annotations' in project ':app'. Resolved versions for app (26.1.0) and test app (27.1.1) differ. See <a href="https://d.android.com/r/tools/test-apk-dependency-conflicts.html" rel="nofollow noreferrer">https://d.android.com/r/tools/test-apk-dependency-conflicts.html</a> for details.</p>
  </blockquote>
  
  <p>I can fix this error in project, but how can I make my new projects working?</p>