re-hook up test script in DebugLogActivity

I forgot to do this when I removed run-tests-with-password.sh.
update to latest gpgme to use new fixed path option

Things are changing in gpgme, on platforms where PATH is used, gpgme is now
using PATH to find the tools it needs. This is a no go on Android, so there
is a new option for setting a fixed path to look for the GnuPG utils.