EDK: Make TransportData preserve handle rights.

mojo/edk/system/channel.cc

Index: mojo/edk/system/channel.cc
diff --git a/mojo/edk/system/channel.cc b/mojo/edk/system/channel.cc
index b52cba61157a5658a59b6cae5495913a75e488ad..7ce9e76d58a8ab918bd1ac4825149f97a9efbd56 100644
--- a/mojo/edk/system/channel.cc
+++ b/mojo/edk/system/channel.cc
@@ -408,7 +408,7 @@ void Channel::OnReadMessageForEndpoint(
   std::unique_ptr<MessageInTransit> message(new MessageInTransit(message_view));
   if (message_view.transport_data_buffer_size() > 0) {
     DCHECK(message_view.transport_data_buffer());
-    message->SetDispatchers(TransportData::DeserializeDispatchers(
+    message->SetHandles(TransportData::DeserializeHandles(
         message_view.transport_data_buffer(),
         message_view.transport_data_buffer_size(), std::move(platform_handles),
         this));