Disable widevine metrics

Workaround for mediadrmserver spinning/battery
drain problems.

b/35093325

Change-Id: I71b32435c43d9e467c74d8c18e5a91af903f6b66

libwvdrmengine/cdm/metrics/src/metrics_group.cpp

@@ -393,11 +393,13 @@ MetricsGroup::MetricsGroup() :
         "min_version") { }
 
 MetricsGroup::~MetricsGroup() {
+#if 0 // Disable metrics for now to work around P0:b/35093325
   MetricNotification* subscriber = MFE.CreateSubscriber();
   if (subscriber) {
     Publish(subscriber);
   }
   delete subscriber;
+#endif
 }
 
 void MetricsGroup::Publish(MetricNotification* subscriber) {