trusty: utils: trusty-ut-ctrl: add to system_ext

Bug: 367423387
Test: atest VtsHalSecureStorageTargetTest

Change-Id: I70a8a9108c7399f99bfdf26b00c5fbd1fcb039c6
diff --git a/trusty/utils/trusty-ut-ctrl/Android.bp b/trusty/utils/trusty-ut-ctrl/Android.bp
index 6fc2a48..b76e55f 100644
--- a/trusty/utils/trusty-ut-ctrl/Android.bp
+++ b/trusty/utils/trusty-ut-ctrl/Android.bp
@@ -18,7 +18,8 @@
 
 cc_binary {
     name: "trusty-ut-ctrl",
-    vendor: true,
+    vendor_available: true,
+    system_ext_specific: true,
 
     srcs: ["ut-ctrl.c"],
     shared_libs: [