Integrate system language filtering functionality

Filter system languages based on the configuration provided via
the corresponding system property.

Bug: 154133013
Test: manual; atest LocalizationTest
Change-Id: I7e4694f4b381ab81d0e8ceab97bad68bb266aaee
diff --git a/Android.bp b/Android.bp
index a93a155..8e2f0ec 100644
--- a/Android.bp
+++ b/Android.bp
@@ -456,6 +456,7 @@
 
         "com.android.sysprop.apex",
         "com.android.sysprop.init",
+        "com.android.sysprop.localization",
         "PlatformProperties",
     ],
     sdk_version: "core_platform",