FOTA: Create /cache/recovery in init.rc for FOTA

* FOTA depends on the existence of /cache/recovery and will fail
to reboot otherwise

Change-Id: I0d4d2150d54f36a0927aee3b66e64f9b81672d86
diff --git a/prebuilt/common/etc/init.local.rc b/prebuilt/common/etc/init.local.rc
index b60ca36..f0331ff 100644
--- a/prebuilt/common/etc/init.local.rc
+++ b/prebuilt/common/etc/init.local.rc
@@ -11,6 +11,7 @@
     chown system system /cache/dalvik-cache
     chmod 0771 /cache/dalvik-cache
     mkdir /data/.ssh 0750 root shell
+    mkdir /cache/recovery 0770 system cache
 
     # Run sysinit
     start sysinit