[roll] Roll fuchsia [scrutiny-x] Stub implementations of public API

This change introduces stub implementations of public APIs to be
evolved (more or less) independently according to each API's
processing of build artifacts to derive API abstractions that
correspond to Fuchsia concepts.

Original-Bug: 111240
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/740510
Original-Revision: 271b0d19d1da53d3d57fb89c72fd1e197238bbcb
GitOrigin-RevId: 94918d4fa6e8385c9664b9881f2cbba4501cf04d
Change-Id: Ibe93685406511ffe69d3572f1b40f18237d58d07
diff --git a/stem b/stem
index 407730f..38127d5 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="a55bca599a112f7745f2179aeedd6c296923537a"/>
+             revision="271b0d19d1da53d3d57fb89c72fd1e197238bbcb"/>
   </projects>
   <hooks>
     <hook name="install-environment"