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

Bug: 54057
Change-Id: If0c197bb5819a9b5aa360f15b9cab916a6adb754
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/iperf/+/400420
Reviewed-by: P.Y. Laligand <pylaligand@google.com>
diff --git a/BUILD.gn b/BUILD.gn
index 3fe3ca8..b2c33a8 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -67,7 +67,7 @@
 
 source_set("fuchsia-compat") {
   sources = [ "src/fuchsia/fuchsia-compat.c" ]
-  public_deps = [ "//zircon/public/lib/fdio" ]
+  public_deps = [ "//sdk/lib/fdio" ]
 }
 
 executable("bin") {