[roll] Roll fuchsia [carnelian][flatland] focus improvement

Handle ViewRefFocused events correctly.

Original-Bug: 91994

Testing: manual with button sample in flatland and display direct.
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/639284
Original-Revision: d2b6ad36bd3c7f72d19011a2dff6fd315d6d4bef
GitOrigin-RevId: c0b1bde1d6ed1d837c574292c307a7129af24fff
Change-Id: Ie4805368966412b911922bf80d87d8d17a1040fd
diff --git a/stem b/stem
index 71ca7f1..e21bd4b 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="eaa0358d1ad69f05d000c30b6453744e1f6b6c09"/>
+             revision="d2b6ad36bd3c7f72d19011a2dff6fd315d6d4bef"/>
   </projects>
   <hooks>
     <hook name="install-environment"