1. Copying and modifying ANY_decode_uper() and
ANY_encode_uper() to ANY_decode_aper() and
ANY_encode_aper().

2. Adding ANY_fromType_aper()/ANY_new_fromType_aper()/
ANY_to_type_aper().

Based on Velichkov's suggestion on comment :

https://github.com/vlm/asn1c/issues/185#issuecomment-341944947

This file can be included and transformed via automake

The generated Makefile.am.example is not really in the automake style.
Renaming it to converter-example.mk to reflect that it is a plain makefile
snippet and that it is for creating the converter-example

Ref :

https://github.com/vlm/asn1c/pull/237#issuecomment-342356046