Rename "Westworld" to "Statsd"

Bug: 158725651
Test: N/A; trivial name change
Change-Id: I39f8847059c6decac070aaea901b7d0d418c75e9
diff --git a/services/mediametrics/MediaMetricsService.cpp b/services/mediametrics/MediaMetricsService.cpp
index d682fed..48e766e 100644
--- a/services/mediametrics/MediaMetricsService.cpp
+++ b/services/mediametrics/MediaMetricsService.cpp
@@ -185,7 +185,7 @@
     }
 
     if (!isTrusted || item->getTimestamp() == 0) {
-        // Westworld logs two times for events: ElapsedRealTimeNs (BOOTTIME) and
+        // Statsd logs two times for events: ElapsedRealTimeNs (BOOTTIME) and
         // WallClockTimeNs (REALTIME), but currently logs REALTIME to cloud.
         //
         // For consistency and correlation with other logging mechanisms