Building library for Android

Rustup installation

• Install rustup
• Add device target: rustup target add aarch64-linux-android armv7-linux-androideabi i686-linux-android.
• Execute the create_android.sh script to build the 3 target libs for Android.
• Add the path to your local clone of the Android app to link_libs.sh.
• Execute the link_libs.sh script to create the jniLibs folder and symlink the libs just created.