Map ARIA attribute reflection tests to web-features (#46030)

diff --git a/html/dom/WEB_FEATURES.yml b/html/dom/WEB_FEATURES.yml
new file mode 100644
index 0000000..5c9e27d
--- /dev/null
+++ b/html/dom/WEB_FEATURES.yml
@@ -0,0 +1,4 @@
+features:
+- name: aria-attribute-reflection
+  files:
+  - aria-attribute-reflection.html