[roll] Roll fuchsia [zxio] Build standalone shlib version for FFI use

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/548496
Original-Revision: 6e4b929f9e6c8c5636d7acffd8734d131287be1f
GitOrigin-RevId: 036394a49e2b9ecd598b446ef2cd7c1a63e69e6d
Change-Id: Ib4992bf412da64d05e551ae20ff8382d36c82d08
diff --git a/stem b/stem
index e91eafe..fca8518 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="f9b1db8ab14da233038abce40cf8d0a98eeaa1fd"/>
+             revision="6e4b929f9e6c8c5636d7acffd8734d131287be1f"/>
   </projects>
   <hooks>
     <hook name="install-environment"