[network] Make icmp ping and arp ping optional by presence thing

[mherwege]

I was trying to use the Network binding to create a ping reply log to my router. It turned out to be hard to get a good result. While the presence thing has been optimized for presence detection, it does not allow good and comparable ping latency tracking.

The issues I ran into:

• Pinging a local IPv4 address started an ICMP ping and an ARP ping. Only the ICMP ping got the latency from the reply, the ARP ping estimated the latency in the binding with considerable delay and overhead. As both measurements were returned at slightly different times, it caused the measurements to heavily fluctuate, making them non-comparable and irrelevant.
  A workaround was to use an IPv6 destination address, as that would exclude ARP ping, but it is still only a workaround.
• I could not disable ARP ping without disabling it for the whole binding.

This PR does:

• Create 2 configuration parameters by presence thing to allow disabling ARP ping and/or ICMP ping (disabling both probably not the best choice, but for presence detection one could solely rely on DHCP advertisements as well). This allows having only one type of reply and have comparable outcomes.
• Extend the ARP ping logic to extract the latency from the response. This has been tested on an RPi with the response I got there. If the format from other tools is different, this can be enhanced. But as it stands now, it will not change things if the format is not supported, but will improve when the format is recognized.

[jlaur]

Nice, thanks! Two comments, otherwise LGTM. And thanks for bringing my attention to NetworkUtils, this helped me reassure my approach in #18082. 😄

[mherwege]

@jlaur Thanks for the feedback. I have done the requested changes.

[jlaur]

I found a few more things to update after renaming the ICMP ping parameter.

[mherwege]

Adjustments done.

[jlaur]

LGTM