[roll] Roll fuchsia [display-test] Remove usage of SetDisplayGammaTable.

We are removing display gamma table related FIDL/banjo methods
for easier display provider interface migration process. This
change removes the usage of ImportGammaTable / SetDisplayGammaTable /
ReleaseGammaTable from display-test.

Original-Bug: 127817
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/861680
Original-Revision: 69d1db6f2e63224f2ad1201d681ca5a1c8145101
GitOrigin-RevId: fa9b18946a55fe935ebf6ee9880bbf04cded3f23
Change-Id: I6a9b3bda2c6d4b1c9c849c5c47adce482f2c785d

stem

diff --git a/stem b/stem
index 47f0f78..2bd9b7c 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="0fed65e9043997b4c3473519b0a07b4bf9dbea54"/>
+             revision="69d1db6f2e63224f2ad1201d681ca5a1c8145101"/>
   </projects>
   <hooks>
     <hook name="install-environment"