trying to import from the wrong shared lib, this patch changes
network_common to connection. Also fixes a bug found in the nxos
action plugin to detect transport
fixes#21829
The nxos action handler did not map the nxapi value to the provider
argument properly. There as an additional fix in the nxos shared lib
to properly detect nxapi being set
This completes the refactor of the nxos modules to use the persistent
connection. It also updates all of the nxos modules to use the
new connection module and preserves use of nxapi as well.