[NFC][Asan] Disabled test dead-locking on Darwin

After #131756.

compiler-rt/test/asan/TestCases/asan_lsan_deadlock.cpp

@@ -4,6 +4,9 @@
 // RUN: %clangxx_asan -O0 %s -o %t
 // RUN: %env_asan_opts=detect_leaks=1 not %run %t 2>&1 | FileCheck %s
 
+// Hangs for unknown reasons.
+// UNSUPPORTED: darwin
+
 /*
  * Purpose: Verify deadlock prevention between ASan error reporting and LSan leak checking.
  *