Parity secret store client API as C API (FFI)
env CROSS_COMPILE=x86_64-linux-musl cargo build --release --target x86_64-unknown-linux-musl
cargo build --release --target aarch64-linux-android #require ndk 13b
cargo build --release --target armv7-linux-androideabi #require ndk 13b
cargo build --release --target x86_64-unknown-linux-gnu
cargo lipo --release