[mojo-edk] Revert ObserveProxy retransmission behavior

mojo/edk/system/node_controller.cc

Index: mojo/edk/system/node_controller.cc
diff --git a/mojo/edk/system/node_controller.cc b/mojo/edk/system/node_controller.cc
index 5fc55f557d7063cd50071b398a17f90bdc5d320d..f40a0cf37d622f632002415ce4d737ba59a402db 100644
--- a/mojo/edk/system/node_controller.cc
+++ b/mojo/edk/system/node_controller.cc
@@ -1193,7 +1193,8 @@ void NodeController::AttemptShutdownIfRequested() {
     base::AutoLock lock(shutdown_lock_);
     if (shutdown_callback_.is_null())
       return;
-    if (!node_->CanShutdownCleanly(true /* allow_local_ports */)) {
+    if (!node_->CanShutdownCleanly(
+          ports::Node::ShutdownPolicy::ALLOW_LOCAL_PORTS)) {
       DVLOG(2) << "Unable to cleanly shut down node " << name_;
       return;
     }