Ensure the sockets we inherit from init are FD_CLOEXEC.

Bug: 65104811
Test: bullhead builds, boots
Test: lsof of iptables-restore doesn't show /dev/socket/netd and friends
Change-Id: I64c7c30364662147ae1b010500635f8ce21b2d0a
diff --git a/server/FwmarkServer.cpp b/server/FwmarkServer.cpp
index a9a18c5..4800864 100644
--- a/server/FwmarkServer.cpp
+++ b/server/FwmarkServer.cpp
@@ -34,7 +34,7 @@
 namespace net {
 
 FwmarkServer::FwmarkServer(NetworkController* networkController, EventReporter* eventReporter) :
-        SocketListener("fwmarkd", true), mNetworkController(networkController),
+        SocketListener(SOCKET_NAME, true), mNetworkController(networkController),
         mEventReporter(eventReporter) {
 }