title: ERROR: No signature of method: com.crashlytics.tools.gradle.CrashlyticsPlugin.findObfuscationTransformTask()
body: <p>I am getting the following error while trying to build my project on Android Studio:</p>
  
  <blockquote>
    <p>ERROR: No signature of method:
    com.crashlytics.tools.gradle.CrashlyticsPlugin.findObfuscationTransformTask()
    is applicable for argument types: (java.lang.String) values:
    [DevDebug]</p>
  </blockquote>
  
  <p>How to solve this?</p>