[roll] Roll fuchsia [netstack3/conntrack] Update comment

We no longer drop simultaneous open segments as of
I042018a6f22b00bdfd8f72b3e96be15310c903ff, but I didn't notice this
comment.

Original-Bug: 328064736
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1091413
Original-Revision: bf9e025b4fd4271bf435ed3c9fee965e7955ef6e
GitOrigin-RevId: 83df4dc5177f4bc292a6baee1b4bae022d36636b
Change-Id: I5649ce10d1827b7ef942502be9dbf32dcc6ca623
diff --git a/stem b/stem
index 1ffd676..1e2d377 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="8af27747dc2af06f9edaa8470047b29c514efac9"/>
+             revision="bf9e025b4fd4271bf435ed3c9fee965e7955ef6e"/>
   </projects>
   <hooks>
     <hook name="install-environment"