[roll] Roll fuchsia [superproject] Roll cobalt-registry Disable validation of poisson_mean for test reports.

Also fix some formatting issues that had been fixed in test_app2 but not
prober.

b/338055727

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/cobalt-registry/+/1041527
Privacy-Approval: Alexandre Zani <azani@google.com>
Original-Revision: 919576a47793a5269bbf4d045cd42bde71a106d8
GitOrigin-RevId: 69b2a59aa8e069fd8357e821e2ab296dcbfbf290
Roller-URL: https://ci.chromium.org/b/8748555382576017297
CQ-Do-Not-Cancel-Tryjobs: true
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1044147
Original-Revision: 9b1cf33ce541121d89f1f1edff73f4cdeac04ead
Change-Id: I122fc9f20fda95465916ca951ce591b158cf638b
diff --git a/stem b/stem
index 5713494..419b549 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="f686ccc702b081b18900c7d0d621fabfa5e36229"/>
+             revision="9b1cf33ce541121d89f1f1edff73f4cdeac04ead"/>
   </projects>
   <hooks>
     <hook name="install-environment"