ART: Disable SmallStack test for ASAN

The small stack is not enough to attach a thread successfully.

Bug: 123500163
Test: SANITIZE_HOST=address m test-art-host-gtest-java_vm_ext_test
Change-Id: I2a224b20f4864bdb07cba053d219ec445cf6efe1
diff --git a/runtime/jni/java_vm_ext_test.cc b/runtime/jni/java_vm_ext_test.cc
index dfe50cf..4a7b1ca 100644
--- a/runtime/jni/java_vm_ext_test.cc
+++ b/runtime/jni/java_vm_ext_test.cc
@@ -109,6 +109,7 @@
 }
 
 TEST_F(JavaVmExtTest, AttachCurrentThread_SmallStack) {
+  TEST_DISABLED_FOR_MEMORY_TOOL();  // b/123500163
   pthread_t pthread;
   pthread_attr_t attr;
   const char* reason = __PRETTY_FUNCTION__;