flimflam.py: Set debug level when setting debug tag for shill.

BUG=chromium-os:33091
TEST=network_3GDisableWhileConnecting

Change-Id: I14836a9a5d8a64aed7f7aba1c273810e1c099def
Reviewed-on: https://gerrit.chromium.org/gerrit/28744
Reviewed-by: Ben Chan <benchan@chromium.org>
Commit-Ready: Thieu Le <thieule@chromium.org>
Tested-by: Thieu Le <thieule@chromium.org>
1 file changed