sysmon: Use our Puppet report

BUG=chromium:718648
TEST=None
CQ-DEPEND=CL:*380090

Change-Id: I879916366e0da1a5787a988bfe0a1467971b0b0f
Reviewed-on: https://chromium-review.googlesource.com/510967
Commit-Ready: Allen Li <ayatane@chromium.org>
Tested-by: Allen Li <ayatane@chromium.org>
Reviewed-by: Allen Li <ayatane@chromium.org>
diff --git a/scripts/sysmon/puppet_metrics.py b/scripts/sysmon/puppet_metrics.py
index 8bffb3d..b36526a 100644
--- a/scripts/sysmon/puppet_metrics.py
+++ b/scripts/sysmon/puppet_metrics.py
@@ -16,7 +16,7 @@
 
 logger = logging.getLogger(__name__)
 
-LAST_RUN_FILE = '/var/lib/puppet/state/last_run_summary.yaml'
+LAST_RUN_FILE = '/var/lib/cros_puppet/state/last_run_summary.yaml'
 
 _config_version_metric = ts_mon.GaugeMetric(
     'puppet/version/config',