[roll] Roll fuchsia [outgoing_directory] Apply API review changes

This CL applies some of the changes suggested in the API
calibration conducted in https://fuchsia-review.googlesource.com/c/fuchsia/+/691874.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/696062
Original-Revision: 9ebec9591b4ae341985a243c0bf27dfacb35fcf6
GitOrigin-RevId: 6782583b1b390cd674716e7cf4012ecd0735e96c
Change-Id: Idcc45178d4938eb2178f1e6c71d2e6434e2a5532

stem

diff --git a/stem b/stem
index 3503326..5338fa8 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="11ec2f3025c6e3ccbf5cc2e428cd9ec0a3800ca9"/>
+             revision="9ebec9591b4ae341985a243c0bf27dfacb35fcf6"/>
   </projects>
   <hooks>
     <hook name="install-environment"