sepolicy: grant vold to access u:object_r:sysfs_scsi_devices_0000

This is to resolve the following denial:
avc: denied { write } for comm="Binder:580_2" name="uevent" dev="sysfs" ino=37075 scontext=u:r:vold:s0 tcontext=u:object_r:sysfs_scsi_devices_0000:s0 tclass=file permissive=0

Bug: 66453968
Test: boot
Change-Id: I79f83f4e78d998ffd15bdfb777e47da29ffbecc5
diff --git a/sepolicy/vold.te b/sepolicy/vold.te
index 34bb5f1..7bb2401 100644
--- a/sepolicy/vold.te
+++ b/sepolicy/vold.te
@@ -1,2 +1,4 @@
 # generated by proc scan, unnecessary
 dontaudit vold proc_irq:dir read;
+
+allow vold sysfs_scsi_devices_0000:file w_file_perms;