Bip39ComparisionTest was run before and after upgrading org.bitcoinj:bitcoinj-core to latest version to ensure that kotlin-bip39 is still behaving the same.
A small tweak in WordListTest was needed because WorldList constructor was made internal.
* Add Android.bp to compile using AOSP build system instead of gradle
* Add prebuilt external libs that are not available on AOSP
Fixes#97
Co-authored-by: Chirayu Desai <chirayudesai1@gmail.com>