Use bundle_resources_dir for iOS plist.

Makes new GN happy.

Change-Id: Id87e44d46772c6f147e0150f8c586fdd0a97504d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/280904
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
diff --git a/gn/ios.gni b/gn/ios.gni
index efdc6c8..7a1e1d1 100644
--- a/gn/ios.gni
+++ b/gn/ios.gni
@@ -127,7 +127,7 @@
         "$gen_path/${app_name}_Info.plist",
       ]
       outputs = [
-        "{{bundle_root_dir}}/Info.plist",
+        "{{bundle_resources_dir}}/Info.plist",
       ]
     }