Disable test 154 for GC stress

GC stress does too many GCs and may cause the test to fail.

Test: test-art-host -j32 ART_TEST_GC_STRESS=true ART_TEST_INTERPRETER=tru

Change-Id: I7a46d185b718a3faaa74dbc561506e4844b79032
diff --git a/test/Android.run-test.mk b/test/Android.run-test.mk
index 5bb39fe..cb798f0 100644
--- a/test/Android.run-test.mk
+++ b/test/Android.run-test.mk
@@ -379,6 +379,7 @@
 #   slows down allocations significantly which these tests do a lot.
 TEST_ART_BROKEN_GCSTRESS_RUN_TESTS := \
   137-cfi \
+  154-gc-loop \
   908-gc-start-finish \
   913-heaps \
   961-default-iface-resolution-gen \