Add another test to the trace test black list.

Change-Id: Ib2266b4fa2684e477791fe317a598c22d79e3400
diff --git a/test/Android.run-test.mk b/test/Android.run-test.mk
index 1683074..78312d1 100644
--- a/test/Android.run-test.mk
+++ b/test/Android.run-test.mk
@@ -67,6 +67,7 @@
   080-oom-throw \
   082-inline-execute \
   083-compiler-regressions \
+  093-serialization \
   097-duplicate-method \
   100-reflect2 \
   102-concurrent-gc \