anchor.diff:  
   # Cleanup
   RUN apt-get clean -y && apt-get autoremove -y
  -RUN rm -fr /var/lib/apt/lists/* /tmp/* /var/tmp/*
  +RUN rm -fr /var/lib/apt/lists/* /tmp/* /var/tmp/* /var/cache/*
   
   # Go to workspace
   RUN mkdir -p /var/workspace
  
positive.code: RUN sdkmanager "platforms;android-23"
  RUN sdkmanager "platforms;android-22"
  RUN sdkmanager "platforms;android-21"
  RUN sdkmanager "platforms;android-20"
  RUN sdkmanager "platforms;android-19"
  RUN sdkmanager "platforms;android-18"
  #RUN sdkmanager "platforms;android-17"
  
negative.code: RUN sdkmanager "build-tools;23.0.1"
  RUN sdkmanager "build-tools;22.0.1"
  RUN sdkmanager "build-tools;21.1.2"
  RUN sdkmanager "build-tools;19.1.0"
  
  # Extras
  