[roll] Roll fuchsia [fidl][cpp] Specify handle rights checks for client/server end in fidlgen

Previously, these checks were hardcoded in HLCPP's code, but now the
handle rights are specified in a consistent way regardless of whether
they are for client / server ends or other handle types.

Original-Fixed: 72222
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/538812
Original-Revision: bdf91d25ea2e16368c60d84f9d7d5df31df043f6
GitOrigin-RevId: 70f996ef63a620d972933df5eb521fa3cb631eab
Change-Id: Ifc32967dc9169151a7a44a81d439eff100faa13e
diff --git a/stem b/stem
index eb377f5..a7c9f65 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="bdad0dce3bcc9460d31cea460ae731dbfe1c28d2"/>
+             revision="bdf91d25ea2e16368c60d84f9d7d5df31df043f6"/>
   </projects>
   <hooks>
     <hook name="install-environment"