[fuchsia] Update path to timezone service

The gn label for this target has changed.

Change-Id: I635695b747c4aac0e67bdf3a41f44d1629743573
Reviewed-on: https://dart-review.googlesource.com/63720
Reviewed-by: Zach Anderson <zra@google.com>
Commit-Queue: Adam Barth <abarth@google.com>
diff --git a/runtime/vm/BUILD.gn b/runtime/vm/BUILD.gn
index 4bbd984..89d48c3 100644
--- a/runtime/vm/BUILD.gn
+++ b/runtime/vm/BUILD.gn
@@ -63,7 +63,7 @@
       # TODO(US-399): Remove time_service specific code when it is no longer
       # necessary.
       "//garnet/public/lib/app/cpp",
-      "//garnet/public/lib/time_zone/fidl",
+      "//garnet/public/fidl/fuchsia.timezone",
 
       # TODO(zra): When the platform-specific timeline code is moved out to
       # the embedder, this can go away.