Revert "init: make system properties more secure."

This reverts commit 51e06618dbd87c4374c56d9193a5e567aa3d02ac.

Bug: 8045561
diff --git a/init/property_service.h b/init/property_service.h
index df71f3f..b9d1bf6 100644
--- a/init/property_service.h
+++ b/init/property_service.h
@@ -24,6 +24,7 @@
 extern void property_load_boot_defaults(void);
 extern void load_persist_props(void);
 extern void start_property_service(void);
+void get_property_workspace(int *fd, int *sz);
 extern const char* property_get(const char *name);
 extern int property_set(const char *name, const char *value);
 extern int properties_inited();