Add new flag for XR-specific manifest entries

This flag will be used to add new XR-specific permission strings and feature strings.

Bug: 364416355
Flag: android.xr.xr_manifest_entries
Test: Checked that project still built.
Change-Id: I554ab816d81dbe329deedf304218691109f7c7c5
diff --git a/AconfigFlags.bp b/AconfigFlags.bp
index c6ce799..6105ab5 100644
--- a/AconfigFlags.bp
+++ b/AconfigFlags.bp
@@ -81,6 +81,7 @@
         "android.view.inputmethod.flags-aconfig-java",
         "android.webkit.flags-aconfig-java",
         "android.widget.flags-aconfig-java",
+        "android.xr.flags-aconfig-java",
         "art_exported_aconfig_flags_lib",
         "backstage_power_flags_lib",
         "backup_flags_lib",
@@ -893,6 +894,20 @@
     defaults: ["framework-minus-apex-aconfig-java-defaults"],
 }
 
+// XR
+aconfig_declarations {
+    name: "android.xr.flags-aconfig",
+    package: "android.xr",
+    container: "system",
+    srcs: ["core/java/android/content/pm/xr.aconfig"],
+}
+
+java_aconfig_library {
+    name: "android.xr.flags-aconfig-java",
+    aconfig_declarations: "android.xr.flags-aconfig",
+    defaults: ["framework-minus-apex-aconfig-java-defaults"],
+}
+
 // android.app
 aconfig_declarations {
     name: "android.app.flags-aconfig",