Push event logging down into libcore.EventLogger

This changes the default behavior of the EventLogger from logging
to the normal logs to logging to the event logs.

Change-Id: I4338a1605928b82246a369adb3514bd31cd552e8

core/java/android/app/ActivityThread.java

@@ -108,6 +108,7 @@ import java.util.Map;
 import java.util.TimeZone;
 import java.util.regex.Pattern;
 
+import libcore.io.EventLogger;
 import libcore.io.IoUtils;
 
 import dalvik.system.CloseGuard;
@@ -4869,6 +4870,13 @@ public final class ActivityThread {
         }
     }
 
+    private static class EventLoggingReporter implements EventLogger.Reporter {
+        @Override
+        public void report (int code, Object... list) {
+            EventLog.writeEvent(code, list);
+        }
+    }
+
     public static void main(String[] args) {
         SamplingProfilerIntegration.start();
 
@@ -4877,6 +4885,9 @@ public final class ActivityThread {
         // StrictMode) on debug builds, but using DropBox, not logs.
         CloseGuard.setEnabled(false);
 
+        // Set the reporter for event logging in libcore
+        EventLogger.setReporter(new EventLoggingReporter());
+
         Security.addProvider(new AndroidKeyStoreProvider());
 
         Process.setArgV0("<pre-initialized>");