Add #alerts to StatsdStats printout

When print-stats is called, now #alert=0 won't always be 0.

Change-Id: If618c9a0890b45f7211f05853f4d97332d7f4cf1
Fixes: 73493830
Test: Manual confirmation
diff --git a/bin/src/metrics/MetricsManager.cpp b/bin/src/metrics/MetricsManager.cpp
index e75b710..5b5e8be 100644
--- a/bin/src/metrics/MetricsManager.cpp
+++ b/bin/src/metrics/MetricsManager.cpp
@@ -99,7 +99,9 @@
     // no matter whether this config is valid, log it in the stats.
     StatsdStats::getInstance().noteConfigReceived(key, mAllMetricProducers.size(),
                                                   mAllConditionTrackers.size(),
-                                                  mAllAtomMatchers.size(), 0, mConfigValid);
+                                                  mAllAtomMatchers.size(),
+                                                  mAllAnomalyTrackers.size(),
+                                                  mConfigValid);
 }
 
 MetricsManager::~MetricsManager() {