[roll] Roll fuchsia [fake-display] Only send VSync with valid ConfigStamps.

Original-Bug: 401388764
Test: fx test //src/graphics/display
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1235344
Original-Revision: 326b7dc49c17813e16ffeeff155cb247da3b42d5
GitOrigin-RevId: 5cb009497f27abbd04d88f612c918abce99a60c6
Change-Id: Icf28e26dd25cea250b8f4a7ea5eda08a36ee9b10

Author: Victor Costan

stem

@@ -11,7 +11,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="7e13e84c57831ea6afbabbff4b1bd3ec9f4f1369"/>
+             revision="326b7dc49c17813e16ffeeff155cb247da3b42d5"/>
   </projects>
   <hooks>
     <hook name="install-environment"