Throw error on missing android toolchain for apothecary.
Merge pull request #3444 from bakercp/android-apothecary-update

Throw error on missing android toolchain for apothecary.
Merge branch 'master' of git://github.com/openframeworks/openFrameworks into apothecary-openssl-clean
Revert "Update android to use common shared Toolchain."

This reverts commit b0cfa62fa841f586f5497b35cb9fda8b0c46e563.