Define sepolicy for locale filter property

Bug: 154133013
Test: Manual
Change-Id: I28ae279e4fd47553fcf4ab9421944f552490b49f
diff --git a/private/property_contexts b/private/property_contexts
index 524cd05..9979fae 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -844,6 +844,9 @@
 persist.dbg.vt_avail_ovr          u:object_r:telephony_config_prop:s0 exact int
 persist.dbg.wfc_avail_ovr         u:object_r:telephony_config_prop:s0 exact int
 
+# System locale list filter configuration
+ro.localization.locale_filter u:object_r:localization_prop:s0 exact string
+
 # Graphics related properties
 ro.gfx.driver.0        u:object_r:graphics_config_prop:s0 exact string
 ro.gfx.driver.1        u:object_r:graphics_config_prop:s0 exact string