Revert "Reland: "init: run property service in a thread""

This reverts commit 8efca4bbb378ff5bd3af06d8511ea75a7ed49f99.

Reason for revert: Still broken

Change-Id: I3b37b1b00ff4b19f2eec2d8bd72042463d47cee3
diff --git a/init/init.h b/init/init.h
index 624a3d4..cfc28f1 100644
--- a/init/init.h
+++ b/init/init.h
@@ -31,6 +31,10 @@
 Parser CreateParser(ActionManager& action_manager, ServiceList& service_list);
 Parser CreateServiceOnlyParser(ServiceList& service_list);
 
+bool HandleControlMessage(const std::string& msg, const std::string& arg, pid_t pid);
+
+void property_changed(const std::string& name, const std::string& value);
+
 bool start_waiting_for_property(const char *name, const char *value);
 
 void DumpState();