editor: try to fix moltenvk bots

Change-Id: Id57103ac3bc9bad5f6e4b685e8b00fdc5e53aecd
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/230752
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>

experimental/editor/BUILD.gn

@@ -44,9 +44,11 @@ if (skia_use_icu && skia_use_harfbuzz) {
     sources = [
       "editor_application.cpp",
     ]
+    public_deps = [
+      "../..:sk_app",
+    ]
     deps = [
       ":editor_lib",
-      "../..:sk_app",
     ]
   }
 }