Fix path for vendor_dlkm build prop.

vendor_dlkm build props are loaded from /vendor_dlkm/etc/build.prop.
Test: none
Bug: 154633114

Change-Id: Ic96ebba2486c891fb05431265e477184353bd7d0
diff --git a/private/property_contexts b/private/property_contexts
index f3859da..c9cdb0c 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -620,7 +620,7 @@
 ro.product.odm.model        u:object_r:build_odm_prop:s0 exact string
 ro.product.odm.name         u:object_r:build_odm_prop:s0 exact string
 
-# All vendor_dlkm build props are set by /vendor_dlkm/build.prop
+# All vendor_dlkm build props are set by /vendor_dlkm/etc/build.prop
 ro.vendor_dlkm.build.date                u:object_r:build_vendor_prop:s0 exact string
 ro.vendor_dlkm.build.date.utc            u:object_r:build_vendor_prop:s0 exact int
 ro.vendor_dlkm.build.fingerprint         u:object_r:build_vendor_prop:s0 exact string