Send boot completed to statsd

Bug: 153384066
Test: m -j
Change-Id: I3f91241851a93d0869dad210bc278b3a1ba6b762
diff --git a/cmds/statsd/src/StatsService.h b/cmds/statsd/src/StatsService.h
index ca01eeb..23d4c1b 100644
--- a/cmds/statsd/src/StatsService.h
+++ b/cmds/statsd/src/StatsService.h
@@ -64,6 +64,7 @@
 
     virtual Status systemRunning();
     virtual Status statsCompanionReady();
+    virtual Status bootCompleted();
     virtual Status informAnomalyAlarmFired();
     virtual Status informPollAlarmFired();
     virtual Status informAlarmForSubscriberTriggeringFired();