marlin: grant vendor init for thermal property

Test: Build
Bug: 72644266
Change-Id: Ic7b17eac975cdb340c771a1a1d33895cd206ac06
diff --git a/sepolicy/vendor_init.te b/sepolicy/vendor_init.te
index ec405df..554e792 100644
--- a/sepolicy/vendor_init.te
+++ b/sepolicy/vendor_init.te
@@ -37,3 +37,5 @@
 allow vendor_init {
   location_data_file
 }:sock_file setattr;
+
+set_prop(vendor_init, thermal_prop)