add build essential (#26)

Signed-off-by: gengjiawen <[email protected]>

Author: gengjiawen

Dockerfile

@@ -24,6 +24,7 @@ ENV PATH=${PATH}:${ANDROID_NDK}
 RUN apt-get update -qq && apt-get install -qq -y --no-install-recommends \
         apt-transport-https \
         curl \
+        build-essential \
         file \
         git \
         gnupg2 \