[roll] Roll fuchsia [fdio] AddEntry -> LookupOrInsert

Bond the lookup and insertion operations to avoid debug assertions and
knowledge at a distance.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1154940
Original-Revision: 03c41380707569b0a5f26ca6d85263904cc8060a
GitOrigin-RevId: 530985eceec9dc3f59cbdf63f4db3d2f39820146
Change-Id: I638b703362dd88e1390ce709c4275c00e1001d59

Author: Tamir Duberstein

stem

@@ -11,7 +11,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="eb6e118b776ad4d7ed6bdf531ae77df62296cfb2"/>
+             revision="03c41380707569b0a5f26ca6d85263904cc8060a"/>
   </projects>
   <hooks>
     <hook name="install-environment"