Blacklist another 96* test for no-image.

Test: test-art-host

Change-Id: I16e3a0a17ca6193a68932c78f67e0d788684e7ef
diff --git a/test/Android.run-test.mk b/test/Android.run-test.mk
index 1b4f195..742353d 100644
--- a/test/Android.run-test.mk
+++ b/test/Android.run-test.mk
@@ -439,13 +439,14 @@
   629-vdex-speed
 
 # This test fails without an image.
-# 018, 961, 964 often time out. b/34369284
+# 018, 961, 964, 968 often time out. b/34369284
 TEST_ART_BROKEN_NO_IMAGE_RUN_TESTS := \
   137-cfi \
   138-duplicate-classes-check \
   018-stack-overflow \
   961-default-iface-resolution-gen \
-  964-default-iface-init
+  964-default-iface-init \
+  968-default-partial-compile-gen \
 
 ifneq (,$(filter no-dex2oat,$(PREBUILD_TYPES)))
   ART_TEST_KNOWN_BROKEN += $(call all-run-test-names,$(TARGET_TYPES),$(RUN_TYPES),no-dex2oat, \