[config reload]: Restart macsec container (sonic-net#1410)

Add macsec service to list of services to clear fail count and restart after config reload

- How to verify it
config reload on a device with the macsec service and container running. Verify macsec container comes back up after config reload is finished.

config reload on a device without the macsec service and container. Verify config reload proceeds normally.

Signed-off-by: Ze Gan <ganze718@gmail.com>

config/main.py

@@ -772,7 +772,8 @@ def _reset_failed_services(config_db):
         'swss',
         'syncd',
         'teamd',
-        'telemetry'
+        'telemetry',
+        'macsec',
     ]
 
     disabled_services = _get_disabled_services_list(config_db)
@@ -801,7 +802,8 @@ def _restart_services(config_db):
         'nat',
         'sflow',
         'restapi',
-        'telemetry'
+        'telemetry',
+        'macsec',
     ]
 
     result = 0