ClatdController - populate ebpf ingress clat map on start and stop

and also attach/detach tc clsact egress qdisc and filter.

Test: atest netd_unit_test netd_integration_test
Bug: 65674744
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I865403ae320b95cec59659b34a69a4f304e1f082