[roll] Roll fuchsia [zx][rs] Reorder time module.

Group Time & Duration impls together with the type defs.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1103860
Original-Revision: bb1d71cd5d5399310c742559ba02d6721cfd91b7
GitOrigin-RevId: d91a1adf1b828af8133034b8f2a008e8700a225a
Change-Id: I6b22f3b17f8b94898e4d5336c0054e37f8ec71df

stem

@@ -11,7 +11,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="83a47eadbdad0ca57ad47c1b527ac7acd49a77d6"/>
+             revision="bb1d71cd5d5399310c742559ba02d6721cfd91b7"/>
   </projects>
   <hooks>
     <hook name="install-environment"