Create AppList for SpaPrivilegedLib

Bug: 235727273
Test: Manual with Test App
Change-Id: Ia5b179d311fe9172c705ad036588e172a5e2a5ca
diff --git a/packages/SettingsLib/SpaPrivileged/Android.bp b/packages/SettingsLib/SpaPrivileged/Android.bp
index ecbb219..a6469b5 100644
--- a/packages/SettingsLib/SpaPrivileged/Android.bp
+++ b/packages/SettingsLib/SpaPrivileged/Android.bp
@@ -28,5 +28,8 @@
         "SettingsLib",
         "androidx.compose.runtime_runtime",
     ],
-    kotlincflags: ["-Xjvm-default=all"],
+    kotlincflags: [
+        "-Xjvm-default=all",
+        "-Xopt-in=kotlin.RequiresOptIn",
+    ],
 }