[health-checker] Lower wait duration

The health checker was waiting 10 minutes for devices to
reboot after a soft reboot, leading to timeouts. I lowered this
to 1 minute so that it fit within the 2 minute timeout threshold

Change-Id: Ie57d87247ec8636f5eb74c5f0e035a11494babf5
diff --git a/cmd/health_checker/main.go b/cmd/health_checker/main.go
index 69f246a..3b3b376 100644
--- a/cmd/health_checker/main.go
+++ b/cmd/health_checker/main.go
@@ -36,7 +36,7 @@
 	healthyState   = "healthy"
 	unhealthyState = "unhealthy"
 	logFile        = "/tmp/health_checker.log"
-	zedbootWaitDuration    = 10 * time.Minute
+	zedbootWaitDuration    = 1 * time.Minute
 	zedbootCheckInterval   = 10 * time.Second
 )