Fix status file to skip basic_debugger_test as it is still failing.

tests/standalone/standalone.status

Index: tests/standalone/standalone.status
===================================================================
--- tests/standalone/standalone.status	(revision 20529)
+++ tests/standalone/standalone.status	(working copy)
@@ -12,6 +12,10 @@
 package/package_isolate_test: Fail # http://dartbug.com/7520.
 io/raw_server_socket_cancel_test: Pass, Fail, Timeout # Issue 8675
 
+# Fails with a connection refused error on the buildbot.
+# Issue 8232.
+debugger/basic_debugger_test: Skip
+
 [ $runtime == vm && $checked ]
 # These tests have type errors on purpose.
 io/process_invalid_arguments_test: Fail, OK