Reset post_data_ and services_update_finished_ on userspace reboot

Test: adb reboot userspace
Bug: 143970043
Change-Id: I77d47a8460b1526337a318547a59141334e11cdd
diff --git a/init/reboot.cpp b/init/reboot.cpp
index f7bdf16..cad192d 100644
--- a/init/reboot.cpp
+++ b/init/reboot.cpp
@@ -820,6 +820,7 @@
         LOG(INFO) << "Re-enabling service '" << s->name() << "'";
         s->Enable();
     }
+    ServiceList::GetInstance().ResetState();
     LeaveShutdown();
     ActionManager::GetInstance().QueueEventTrigger("userspace-reboot-resume");
     guard.Disable();  // Go on with userspace reboot.