[roll] Roll fuchsia [dl] Add helper functions for starting driver host process.

These handles will be passed to the dynamic loader, which will be
added in a future CL.

Original-Bug: 330775896

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1048537
Original-Revision: f77a15f2d72e5c0b78cf6ca49f0039f29faa9764
GitOrigin-RevId: 914e1366cc2f526bc860481e97c0e43871b391c7
Change-Id: I2888f2430201873a01a9495cb3be2c969cd455a1
diff --git a/stem b/stem
index 4a6b8a6..2950883 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="e3f3ff2f3477d1a5ee56c02128b25d0637b14daf"/>
+             revision="f77a15f2d72e5c0b78cf6ca49f0039f29faa9764"/>
   </projects>
   <hooks>
     <hook name="install-environment"