remove m2repository, add-ons (#100)

* remove m2repository
* remove add-ons

Author: dulmandakh

Dockerfile

@@ -64,9 +64,7 @@ RUN curl -sS https://dl.google.com/android/repository/${SDK_VERSION} -o /tmp/sdk
         "emulator" \
         "platforms;android-$ANDROID_BUILD_VERSION" \
         "build-tools;$ANDROID_TOOLS_VERSION" \
-        "add-ons;addon-google_apis-google-23" \
         "cmake;3.10.2.4988404" \
         "system-images;android-21;google_apis;armeabi-v7a" \
-        "extras;android;m2repository" \
         "ndk;$NDK_VERSION" \
     && rm -rf ${ANDROID_HOME}/.android