[roll] Roll fuchsia [storage-benchmarks] Run in storage test realm

The last patch (fxrev.dev/1184898) modified the "test_type" of the wrong
GN target.

I also fixed a missing route to the storage test realm.

Original-Bug: 372555079
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1189176
Original-Revision: bd392eefdec04a7672ec4934b6d16dfdb3b2cc4a
GitOrigin-RevId: 15cae6b29803795106d9676570860867f5011202
Change-Id: I9d2fc3578e9126af435ae48b6c329790912080f7
diff --git a/stem b/stem
index e39c6eb..f94bd67 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="c563b2631424518f531fd0f4ea618f394addf291"/>
+             revision="bd392eefdec04a7672ec4934b6d16dfdb3b2cc4a"/>
   </projects>
   <hooks>
     <hook name="install-environment"