[roll] Roll fuchsia [f2fs] Refactor SbInfo

This CL defines SuperblockInfo class to represent
struct SbInfo as well as regarding functions.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/589901
Original-Revision: 103a9f6a2dd07fc01c1dc49353d1e8a5bff55788
GitOrigin-RevId: 02882457e67cc7bbe60d6ac66d73cdf38ba0c760
Change-Id: I88e98ee5f5273f732556ddcfa26a155296b97886
diff --git a/stem b/stem
index dbb85a2..32360fd 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="54f0758d2fb97b7482d0c9dc619a84a0bef151c8"/>
+             revision="103a9f6a2dd07fc01c1dc49353d1e8a5bff55788"/>
   </projects>
   <hooks>
     <hook name="install-environment"