Refactor UpdatePrefsAndReportUpdateMetricsOnReboot

Test: th
Change-Id: Ibedc291693489a6b6c8cb7ee5bd72609755f2ddd
diff --git a/aosp/update_attempter_android.cc b/aosp/update_attempter_android.cc
index 4636c43..c1e15c0 100644
--- a/aosp/update_attempter_android.cc
+++ b/aosp/update_attempter_android.cc
@@ -159,7 +159,7 @@
     SetStatusAndNotify(UpdateStatus::UPDATED_NEED_REBOOT);
   } else {
     SetStatusAndNotify(UpdateStatus::IDLE);
-    UpdatePrefsAndReportUpdateMetricsOnReboot();
+    UpdateStateAfterReboot();
 #ifdef _UE_SIDELOAD
     LOG(INFO) << "Skip ScheduleCleanupPreviousUpdate in sideload because "
               << "ApplyPayload will call it later.";
@@ -883,7 +883,7 @@
   }
 }
 
-void UpdateAttempterAndroid::UpdatePrefsAndReportUpdateMetricsOnReboot() {
+void UpdateAttempterAndroid::UpdateStateAfterReboot() {
   string current_boot_id;
   TEST_AND_RETURN(utils::GetBootId(&current_boot_id));
   // Example: [ro.build.version.incremental]: [4292972]