add a metrics logger

Change-Id: I5b1dccb5d103ece3112acf38889bae16273b092f
diff --git a/Android.mk b/Android.mk
index 1df2af3..2462d73 100644
--- a/Android.mk
+++ b/Android.mk
@@ -45,6 +45,7 @@
        core/java/android/content/EventLogTags.logtags \
        core/java/android/speech/tts/EventLogTags.logtags \
        core/java/android/webkit/EventLogTags.logtags \
+       core/java/com/android/internal/logging/EventLogTags.logtags \
 
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