[roll] Roll fuchsia [bazel][board] Create the self-contained board configuration dir from Bazel

This will align the bazel build rule behavior with GN build rule

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1098272
Original-Revision: 20d55eb564c514f76b774f7eb7494f4b6df3726e
GitOrigin-RevId: b7450af830294cfa63b89db87eb0fb12430b1750
Change-Id: I4c467a4313b279eaf7553c31eba203091f7f358e
diff --git a/stem b/stem
index a42eb48..e190ed7 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="cb6941ea85db4334024c11e31fc271c6645667f7"/>
+             revision="20d55eb564c514f76b774f7eb7494f4b6df3726e"/>
   </projects>
   <hooks>
     <hook name="install-environment"