diff --git a/libs/ui/Android.bp b/libs/ui/Android.bp
index cf79762..07aba32 100644
--- a/libs/ui/Android.bp
+++ b/libs/ui/Android.bp
@@ -117,4 +117,7 @@
     vendor_available: true,
 }
 
-subdirs = ["tests"]
+subdirs = [
+    "tests",
+    "tools",
+]