Add sepolicy for ro.build.ab_update.ab_ota_partitions

Bug: 283042235
Test: th
Change-Id: Ie2296b75c91fbeb83cb0f3e61d5013b106fb78d0
diff --git a/private/property_contexts b/private/property_contexts
index 102c111..5093d10 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -337,6 +337,7 @@
 snapuserd.test.io_uring.force_disable u:object_r:snapuserd_prop:s0 exact bool
 
 ro.product.ab_ota_partitions u:object_r:ota_prop:s0 exact string
+ro.vendor.build.ab_ota_partitions u:object_r:ota_build_prop:s0 exact string
 # Property to set/clear the warm reset flag after an OTA update.
 ota.warm_reset  u:object_r:ota_prop:s0
 # The vbmeta digest for the inactive slot. It can be set after installing