[alln][fdio] Move //zircon/system/ulib/fdio to //sdk/lib/fdio

Bug: 54057
Change-Id: I001389198db768fc2ff7e005f275e02a10e3e7fc
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/googletest/+/400421
Reviewed-by: P.Y. Laligand <pylaligand@google.com>
diff --git a/BUILD.gn b/BUILD.gn
index 926b492..594dbf4 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -71,7 +71,7 @@
       ]
     } else {
       deps = [
-        "//zircon/public/lib/fdio",
+        "//sdk/lib/fdio",
         "//zircon/public/lib/zx",
       ]
     }