Accept SEGV_MTESERR in CrasherTest.mte_async test.

This is possible when upgrading to sync mode.

Change-Id: I71c213cb9ddda87765a0dc2ff5455f0eb7b484fe
diff --git a/debuggerd/debuggerd_test.cpp b/debuggerd/debuggerd_test.cpp
index 9c1b136..9d9238f 100644
--- a/debuggerd/debuggerd_test.cpp
+++ b/debuggerd/debuggerd_test.cpp
@@ -723,7 +723,7 @@
   std::string result;
   ConsumeFd(std::move(output_fd), &result);
 
-  ASSERT_MATCH(result, R"(signal 11 \(SIGSEGV\), code 8 \(SEGV_MTEAERR\), fault addr --------)");
+  ASSERT_MATCH(result, R"(signal 11 \(SIGSEGV\), code [89] \(SEGV_MTE[AS]ERR\), fault addr)");
 #else
   GTEST_SKIP() << "Requires aarch64";
 #endif