depends: move README.md Android instructions to a separate section
depends: move README.md Android instructions to a separate section

Former-commit-id: 51f800653e3758719fc9ea00392fb1591b3dc94a
syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin