Reset dev.bootcomplete property during userspace reboot

Test: adb reboot userspace
Bug: 135984674
Change-Id: I7c6e433c819fc22e88820626768fe8832882386e
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 5fbad75..51c6a3b 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -1033,6 +1033,7 @@
 on userspace-reboot-requested
   # TODO(b/135984674): reset all necessary properties here.
   setprop sys.boot_completed ""
+  setprop dev.bootcomplete ""
   setprop sys.init.updatable_crashing ""
   setprop sys.init.updatable_crashing_process_name ""
   setprop apexd.status ""