[roll] Roll fuchsia [core-tests] Avoid future reclamation in process-shared

Uses memory priority profiles in the process-shared tests to avoid
any future interactions with reclamation, which would impact the
precise accounting tests being performed.

Original-Bug: 60238
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/906725
Original-Revision: 616cb6fac81dcc276f46737c1610469dc0aff251
GitOrigin-RevId: bfc2592c9f49862fabf6da4fe04a7f5bf6a1064b
Change-Id: I7a3f1950ec9db3544053df2ff6643c442abbaba6
diff --git a/stem b/stem
index 599af38..163f0e4 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="b1b3bf20e6282014673fe124f650c2e221c50ff6"/>
+             revision="616cb6fac81dcc276f46737c1610469dc0aff251"/>
   </projects>
   <hooks>
     <hook name="install-environment"