[roll] Roll fuchsia [magma] Flip arguments to Write32

This is part 2 of the patch set. It renames Write32Flipped back to
Write32, and flips the order of the arguments.

Original-Fixed: 86716
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/594865
Original-Revision: 39f962b9a13d0c508dabac039ef8f9efada6be4c
GitOrigin-RevId: 7418e5ebee47ab3854a3512883fa1d9280c624e2
Change-Id: I71fa7bf90fb8aa783ccddbc51323568c4b5baaac
diff --git a/stem b/stem
index 4f869ce..66bd9fa 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="fa72f91bb6f62350795cbdd734687f4633a4a692"/>
+             revision="39f962b9a13d0c508dabac039ef8f9efada6be4c"/>
   </projects>
   <hooks>
     <hook name="install-environment"