[roll] Roll fuchsia [settings] Remove bespoke num_test message hub

We can just use our existing test types for this use case.

Tests: fx setui_service_tests
Original-Bug: 119966

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/790633
Original-Revision: 0bcd4a9adb90215bde76f600798be26706d3d8b8
GitOrigin-RevId: c93bfb4343bc60790d63e62df5e246d8036ee14a
Change-Id: Ib3e9adbd1efc9164d3ad80cd82d3709ac9a0032b
diff --git a/stem b/stem
index 4fb1679..a78f995 100644
--- a/stem
+++ b/stem
@@ -11,7 +11,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="818bd1166c9652130ddd14db1a419809a81521bf"/>
+             revision="0bcd4a9adb90215bde76f600798be26706d3d8b8"/>
   </projects>
   <hooks>
     <hook name="install-environment"