[device][IX7] Add system_health_monitoring_config.json for test_reload_config in testbed

Author: roberthong-qct

device/quanta/x86_64-quanta_ix7_rglbmc-r0/system_health_monitoring_config.json

@@ -0,0 +1,11 @@
+{
+	"services_to_ignore": [],
+	"devices_to_ignore": [],
+	"user_defined_checkers": [],
+	"polling_interval": 60,
+	"led_color": {
+		"fault": "amber",
+		"normal": "green",
+		"booting": "blinking green"
+	}
+}