Make shill and flimflam Ignore pseudomodem0p on test builds

Make shill and flimflam ignore pseudomodem0p on test builds so that
the network devices called pseudomodem0p can be used to test the
cellular classes of shill on virtual machines.

TEST=run network_3GModemControl on a vm
Change-Id: I61cc89d114dcb82bb01b864b68f220fbaf21509d
Commit-Ready: Jason Glasgow <>
Reviewed-by: Jason Glasgow <>
Tested-by: Jason Glasgow <>
1 file changed