[gardening] Skip standalone{,_2}/io/http_redirect_test

This test was modified (in [0]) to use `dart:mirrors` which doesn't
work in AOT mode. So we'll skip it (which fixes some unapproved dartkp
failures).

[0] https://dart-review.googlesource.com/c/sdk/+/230600

TEST=ci

Change-Id: I02f6efded23ae2fa16ee72b792632f252202adf5
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/232900
Reviewed-by: Brian Quinlan <bquinlan@google.com>
Commit-Queue: Martin Kustermann <kustermann@google.com>
diff --git a/tests/standalone/standalone_precompiled.status b/tests/standalone/standalone_precompiled.status
index 536731b..69da5e9 100644
--- a/tests/standalone/standalone_precompiled.status
+++ b/tests/standalone/standalone_precompiled.status
@@ -15,6 +15,7 @@
 io/file_lock_test: Skip
 io/file_read_special_device_test: Skip
 io/http_client_stays_alive_test: Skip
+io/http_redirect_test: SkipByDesign # Requires dart:mirrors
 io/http_response_deadline_test: Skip
 io/http_server_close_response_after_error_test: Skip
 io/https_unauthorized_test: Skip
diff --git a/tests/standalone_2/standalone_2_precompiled.status b/tests/standalone_2/standalone_2_precompiled.status
index 07c20e7..f7f7eb2 100644
--- a/tests/standalone_2/standalone_2_precompiled.status
+++ b/tests/standalone_2/standalone_2_precompiled.status
@@ -12,6 +12,7 @@
 io/file_lock_test: Skip
 io/file_read_special_device_test: Skip
 io/http_client_stays_alive_test: Skip
+io/http_redirect_test: SkipByDesign # Requires dart:mirrors
 io/http_response_deadline_test: Skip
 io/http_server_close_response_after_error_test: Skip
 io/https_unauthorized_test: Skip