python: Ensure quick-random is used if gpg is gpg2
python: Ensure quick-random is used if gpg is gpg2

* lang/python/tests/Makefile.am (gpg.conf): Configure
agent-program accordingly.

gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme