8312522: Implementation of Foreign Function & Memory API
Co-authored-by: Maurizio Cimadamore <mcimadamore@openjdk.org>
Co-authored-by: Jorn Vernee <jvernee@openjdk.org>
Co-authored-by: Per Minborg <pminborg@openjdk.org>
Reviewed-by: dholmes, psandoz, mcimadamore, alanb