[roll] Roll fuchsia [a11y] Instantiates a ViewCoordinateConverter after a11y manager startup.

Test: fx test a11y-tests
Original-Bug: 77893
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/716901
Original-Revision: 4cf1ebf657e33a33cbcf56ca2bf8b48f118ee4e9
GitOrigin-RevId: 0de4e1c6e3a3663dc9ed4a060878e766528d126c
Change-Id: I740f250dfad85444d58d5eee6b9626748bcb6869
diff --git a/stem b/stem
index 60360f48..18227fd 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="c30caa01e5c75b1f1bbddd7d79aed8e015dc6768"/>
+             revision="4cf1ebf657e33a33cbcf56ca2bf8b48f118ee4e9"/>
   </projects>
   <hooks>
     <hook name="install-environment"