Allowlist for platform signed package/sharedUid-s.

Fixes: 308573259
Test: atest android.content.pm.cts.PackageManagerTest
Change-Id: Ieb9e256b5fbb3b2ccd5d6a695f63011a31e95d9b
diff --git a/data/etc/Android.bp b/data/etc/Android.bp
index 238a3e1..1410950 100644
--- a/data/etc/Android.bp
+++ b/data/etc/Android.bp
@@ -72,6 +72,12 @@
     src: "enhanced-confirmation.xml",
 }
 
+prebuilt_etc {
+    name: "package-shareduid-allowlist.xml",
+    sub_dir: "sysconfig",
+    src: "package-shareduid-allowlist.xml",
+}
+
 // Privapp permission whitelist files
 
 prebuilt_etc {