qa: redo the __version__ test for pmda.bcc tests
qa: redo the __version__ test for pmda.bcc tests

Replace the old DEBUG_BPF_REGISTER_STATE test with one that
checks for the symbol __version__ in the Python bcc module.

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp