Remove property_area_initialized

This is deadcode as property_init() will only ever be called once and
the only remaining caller of properties_initialized() is
Service::NotifyStateChange() which can only be called after properties
have been initialized.

Change-Id: Ie071af84fcdbead72d259890fc8fb8db624282e7

init/property_service.cpp

@@ -60,17 +60,10 @@
 #define RECOVERY_MOUNT_POINT "/recovery"
 
 static int persistent_properties_loaded = 0;
-static bool property_area_initialized = false;
 
 static int property_set_fd = -1;
 
 void property_init() {
-    if (property_area_initialized) {
-        return;
-    }
-
-    property_area_initialized = true;
-
     if (__system_property_area_init()) {
         ERROR("Failed to initialize property area\n");
         exit(1);
@@ -478,10 +471,6 @@ void property_load_boot_defaults() {
     load_properties_from_file(PROP_PATH_RAMDISK_DEFAULT, NULL);
 }
 
-bool properties_initialized() {
-    return property_area_initialized;
-}
-
 static void load_override_properties() {
     if (ALLOW_LOCAL_PROP_OVERRIDE) {
         std::string debuggable = property_get("ro.debuggable");

init/property_service.h

@@ -34,7 +34,6 @@ extern void load_system_props(void);
 extern void start_property_service(void);
 std::string property_get(const char* name);
 extern int property_set(const char *name, const char *value);
-extern bool properties_initialized();
 
 
-#endif	/* _INIT_PROPERTY_H */
+#endif  /* _INIT_PROPERTY_H */

init/service.cpp

@@ -76,11 +76,6 @@ Service::Service(const std::string& name, const std::string& classname,
 }
 
 void Service::NotifyStateChange(const std::string& new_state) const {
-    if (!properties_initialized()) {
-        // If properties aren't available yet, we can't set them.
-        return;
-    }
-
     if ((flags_ & SVC_EXEC) != 0) {
         // 'exec' commands don't have properties tracking their state.
         return;