anchor.diff:  # --- Install Android SDKs and other build packages
   
   # build tools
  -RUN sdkmanager "build-tools;19.1.0"
   RUN sdkmanager "build-tools;21.1.2"
   RUN sdkmanager "build-tools;22.0.1"
   RUN sdkmanager "build-tools;23.0.1"
  
positive.code: RUN sdkmanager "platforms;android-26"
  
  # google apis
  RUN sdkmanager "add-ons;addon-google_apis-google-19"
  RUN sdkmanager "add-ons;addon-google_apis-google-21"
  RUN sdkmanager "add-ons;addon-google_apis-google-22"
  RUN sdkmanager "add-ons;addon-google_apis-google-23"
  
negative.code: RUN sdkmanager "cmake;3.6.4111459"
  
  # SDKs
  RUN sdkmanager "platforms;android-21"
  RUN sdkmanager "platforms;android-22"
  RUN sdkmanager "platforms;android-23"
  