[roll] Roll fuchsia [heapdump][fidl] Separate fuchsia.memory.heapdump FIDL libraries into different directories

To maintain the convention that the FIDL libraries in //sdk/fidl are
called like the directory that contains them.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/879931
Original-Revision: abe403a8f14fbbedbc7dafb50e684586bc1384f6
GitOrigin-RevId: 95d62589e21d2676cfb81b25fc51abdb9e4bcf83
Change-Id: Ia997bc4c3c1001fd0b39c8e0c12353036eaea732
diff --git a/stem b/stem
index 8de55ac..bcd28b0 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="b2127347f0d7f2ac0c322a1e6933e81f9ab27d4b"/>
+             revision="abe403a8f14fbbedbc7dafb50e684586bc1384f6"/>
   </projects>
   <hooks>
     <hook name="install-environment"