[roll] Roll fuchsia [heapdump] Introduce FDomain version of heapdump_snapshot

TEST: Unit
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1535264
Original-Revision: bfc286edd432b4542f40c89ba382406d4243bffe
GitOrigin-RevId: df31cab7a48e6b3f18111f1a3ac0c2ab362d4d76
Change-Id: I38cbcd6e70de691d96b384d1c3744fcbb5e37b5e

stem

diff --git a/stem b/stem
index d01a0c7..27d8bd9 100644
--- a/stem
+++ b/stem
@@ -8,6 +8,6 @@
             manifest="manifests/platform"
             root=""
             remote="https://fuchsia.googlesource.com/fuchsia"
-            revision="6b6174f5980887695e240cc21ea2f14ea326234d"/>
+            revision="bfc286edd432b4542f40c89ba382406d4243bffe"/>
   </imports>
 </manifest>