add dump report reason to reports

+ also change uidmapping version numbers to int64_t

Bug: 78132855
Change-Id: Iac7ea93e4bf651bd65bd03383e7ab4971af4fc29
Fix: 78132855
Test: gts test
diff --git a/cmds/statsd/src/StatsService.h b/cmds/statsd/src/StatsService.h
index b5957b5..e409a71 100644
--- a/cmds/statsd/src/StatsService.h
+++ b/cmds/statsd/src/StatsService.h
@@ -66,7 +66,7 @@
                                     const vector<String16>& app);
     virtual Status informOnePackage(const String16& app, int32_t uid, int64_t version);
     virtual Status informOnePackageRemoved(const String16& app, int32_t uid);
-    virtual Status writeDataToDisk();
+    virtual Status informDeviceShutdown(bool isShutdown);
 
     /**
      * Called right before we start processing events.