[roll] Roll fuchsia [vfs] connection.rs -> connection/mod.rs

This small change should let us keep the git history when we rename
connection/io1.rs to connection.rs.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/880996
Original-Revision: 4788208077d11ad01eeda562bcfe15cd839adc19
GitOrigin-RevId: 85c2fdbfc96825bd81a8bbb7a3594d1c2bf9c992
Change-Id: I090a59381d874f5ac4ad8739db0e544f6319a11b
diff --git a/stem b/stem
index 078259a..a4a6960 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="f17bf0436ee78e99a59e2e440b442c1ef36f692f"/>
+             revision="4788208077d11ad01eeda562bcfe15cd839adc19"/>
   </projects>
   <hooks>
     <hook name="install-environment"