selinux: logd Development settings

- logd Development Settings failed to access persist.logd.size

Change-Id: I0732b44fcbffbf3c187bcb23df2db807fa3e8fde
diff --git a/system_app.te b/system_app.te
index 42f7f7e..5b9f8a0 100644
--- a/system_app.te
+++ b/system_app.te
@@ -33,6 +33,7 @@
 allow system_app radio_prop:property_service set;
 allow system_app system_prop:property_service set;
 allow system_app ctl_bugreport_prop:property_service set;
+allow system_app logd_prop:property_service set;
 
 # Create /data/anr/traces.txt.
 allow system_app anr_data_file:dir ra_dir_perms;