add example for building against 3rd party packages

This is an example people can use for building against 3rd party libs.

BUG=24611334
TEST=built packages and they worked in qemu

Change-Id: I962cddf36d57450c8ed752b219b9e3ce2e2ededf
3 files changed
tree: d15d2069e097cbabf5b730dba616db98396918a5
  1. 3rd-party-binary.mk
  2. Android.mk
  3. TODO
  4. portage/
  5. tests/
  6. toolchain/