Change restart delay for Windows service to 15s

Previously we waited for 60 seconds after the service faults to restart
it. However, there isn't much benefit to waiting this long. We expect
15 seconds to be a more reasonable delay.

Co-Authored-by: Kevin Parsons <kevpar@microsoft.com>
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

cmd/dockerd/service_windows.go

@@ -189,8 +189,8 @@ func registerService() error {
 
 	err = s.SetRecoveryActions(
 		[]mgr.RecoveryAction{
-			{Type: mgr.ServiceRestart, Delay: 60 * time.Second},
-			{Type: mgr.ServiceRestart, Delay: 60 * time.Second},
+			{Type: mgr.ServiceRestart, Delay: 15 * time.Second},
+			{Type: mgr.ServiceRestart, Delay: 15 * time.Second},
 			{Type: mgr.NoAction},
 		},
 		uint32(24*time.Hour/time.Second),