anchor.diff:  RUN cd /opt \
       && wget -q https://dl.google.com/android/repository/sdk-tools-linux-3952940.zip -O android-sdk-tools.zip \
       && unzip -q android-sdk-tools.zip -d ${ANDROID_HOME} \
  -    && rm -f android-sdk-tools.zip
  +    && rm android-sdk-tools.zip
   
   ENV PATH ${PATH}:${ANDROID_HOME}/tools:${ANDROID_HOME}/tools/bin:${ANDROID_HOME}/platform-tools
   
  
positive.code: RUN cd /opt \
   && wget https://dl.google.com/android/repository/emulator-linux-4077558.zip -O emulator.zip \
   && unzip -q emulator.zip -d ${ANDROID_HOME} \
   && rm -f emulator.zip
  
  # SDKs
  # Please keep these in descending order!
  
negative.code:     "platforms;android-23" \
      "platforms;android-22" \
      "platforms;android-21" \
      "platforms;android-19" \
      "platforms;android-17" \
      "platforms;android-15" \
  