[roll] Roll fuchsia [devfs] Devfs to Services migration guide

This migration guide explains how to migrate
your driver and clients from devfs to aggregated
services.

Original-Bug: 371268611, 371279041

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1206329
Original-Revision: ec6418459521021136a5e57bf916194a80ae8c04
GitOrigin-RevId: 84c9d05dabae6aa43d0778b933ab3edd8d1adec0
Change-Id: I4fd0eebbdee8cc1bfb789ff40ea330a15a06378e

Author: Garratt Gallagher

stem

@@ -11,7 +11,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="18933b329e2b46c36bbd7994db82aa51ae699c1c"/>
+             revision="ec6418459521021136a5e57bf916194a80ae8c04"/>
   </projects>
   <hooks>
     <hook name="install-environment"