Add writable data space for radio.

Storing carrier provisioning urls updates in /data/misc/radio.
bug:9623159

Change-Id: I8d62d4638229733dea0f11f1729c4d22ae2295d1
I36697ed341353b7a3dbec5afe20241102e76f6f1
diff --git a/rootdir/init.rc b/rootdir/init.rc
index f7fe6f3..1e6ad67 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -206,6 +206,7 @@
     mkdir /data/misc/bluetooth 0770 system system
     mkdir /data/misc/keystore 0700 keystore keystore
     mkdir /data/misc/keychain 0771 system system
+    mkdir /data/misc/radio 0770 system radio
     mkdir /data/misc/sms 0770 system radio
     mkdir /data/misc/zoneinfo 0775 system system
     mkdir /data/misc/vpn 0770 system vpn