Revert "Make native metrics logger write to statsd socket"

This reverts commit 34bc567a939d9ddbd532b9fd5caeac054b79f124.

Reason for revert: build failure

Change-Id: I67e0270051a82db7f524ed219316f02f2766d6e1
diff --git a/libmetricslogger/metrics_logger.cpp b/libmetricslogger/metrics_logger.cpp
index 2a1b137..6a32153 100644
--- a/libmetricslogger/metrics_logger.cpp
+++ b/libmetricslogger/metrics_logger.cpp
@@ -18,15 +18,11 @@
 
 #include <cstdlib>
 
-#include <android-base/chrono_utils.h>
 #include <log/event_tag_map.h>
-
-using namespace android;
+#include <log/log_event_list.h>
 
 namespace {
 
-const static int kStatsEventTag = 1937006964;
-const static int kKeyValuePairAtomId = 83;
 #ifdef __ANDROID__
 EventTagMap* kEventTagMap = android_openEventTagMap(nullptr);
 const int kSysuiMultiActionTag = android_lookupEventTagNum(
@@ -36,12 +32,6 @@
 const int kSysuiMultiActionTag = 0;
 #endif
 
-int64_t getElapsedTimeNanoSinceBoot() {
-    return std::chrono::duration_cast<std::chrono::nanoseconds>(
-                   android::base::boot_clock::now().time_since_epoch())
-            .count();
-}
-
 }  // namespace
 
 namespace android {
@@ -52,12 +42,6 @@
     android_log_event_list log(kSysuiMultiActionTag);
     log << LOGBUILDER_CATEGORY << LOGBUILDER_HISTOGRAM << LOGBUILDER_NAME << event
         << LOGBUILDER_BUCKET << data << LOGBUILDER_VALUE << 1 << LOG_ID_EVENTS;
-
-    stats_event_list stats_log(kStatsEventTag);
-    stats_log << getElapsedTimeNanoSinceBoot() << kKeyValuePairAtomId << LOGBUILDER_CATEGORY
-              << LOGBUILDER_HISTOGRAM << LOGBUILDER_NAME << event << LOGBUILDER_BUCKET << data
-              << LOGBUILDER_VALUE << 1;
-    stats_log.write(LOG_ID_STATS);
 }
 
 // Mirror com.android.internal.logging.MetricsLogger#count().
@@ -65,11 +49,6 @@
     android_log_event_list log(kSysuiMultiActionTag);
     log << LOGBUILDER_CATEGORY << LOGBUILDER_COUNTER << LOGBUILDER_NAME << name << LOGBUILDER_VALUE
         << val << LOG_ID_EVENTS;
-
-    stats_event_list stats_log(kStatsEventTag);
-    stats_log << getElapsedTimeNanoSinceBoot() << kKeyValuePairAtomId << LOGBUILDER_CATEGORY
-              << LOGBUILDER_COUNTER << LOGBUILDER_NAME << name << LOGBUILDER_VALUE << val;
-    stats_log.write(LOG_ID_STATS);
 }
 
 // Mirror com.android.internal.logging.MetricsLogger#action().
@@ -77,48 +56,34 @@
     android_log_event_list log(kSysuiMultiActionTag);
     log << LOGBUILDER_CATEGORY << category << LOGBUILDER_TYPE << TYPE_ACTION
         << field << value << LOG_ID_EVENTS;
-
-    stats_event_list stats_log(kStatsEventTag);
-    stats_log << getElapsedTimeNanoSinceBoot() << kKeyValuePairAtomId << LOGBUILDER_CATEGORY
-              << category << LOGBUILDER_TYPE << TYPE_ACTION << field << value;
-    stats_log.write(LOG_ID_STATS);
 }
 
-ComplexEventLogger::ComplexEventLogger(int category)
-    : logger(kSysuiMultiActionTag), stats_logger(kStatsEventTag) {
+ComplexEventLogger::ComplexEventLogger(int category) : logger(kSysuiMultiActionTag) {
     logger << LOGBUILDER_CATEGORY << category;
-    stats_logger << getElapsedTimeNanoSinceBoot() << kKeyValuePairAtomId << LOGBUILDER_CATEGORY
-                 << category;
 }
 
 void ComplexEventLogger::SetPackageName(const std::string& package_name) {
     logger << LOGBUILDER_PACKAGENAME << package_name;
-    stats_logger << LOGBUILDER_PACKAGENAME << package_name;
 }
 
 void ComplexEventLogger::AddTaggedData(int tag, int32_t value) {
     logger << tag << value;
-    stats_logger << tag << value;
 }
 
 void ComplexEventLogger::AddTaggedData(int tag, const std::string& value) {
     logger << tag << value;
-    stats_logger << tag << value;
 }
 
 void ComplexEventLogger::AddTaggedData(int tag, int64_t value) {
     logger << tag << value;
-    stats_logger << tag << value;
 }
 
 void ComplexEventLogger::AddTaggedData(int tag, float value) {
     logger << tag << value;
-    stats_logger << tag << value;
 }
 
 void ComplexEventLogger::Record() {
     logger << LOG_ID_EVENTS;
-    stats_logger.write(LOG_ID_STATS);
 }
 
 }  // namespace metricslogger