Restore valgrind-test-art-host

Change-Id: I2586e16664dabfc543bc9d0dab471ec8d3810f34
diff --git a/Android.mk b/Android.mk
index 9a813fd..282b179 100644
--- a/Android.mk
+++ b/Android.mk
@@ -30,9 +30,9 @@
   art_dont_bother := true
 endif
 
-# Don't bother with tests unless there is a test-art* or build-art* target.
+# Don't bother with tests unless there is a test-art*, build-art*, or related target.
 art_test_bother := false
-ifneq (,$(filter %tests test-art% build-art%,$(MAKECMDGOALS)))
+ifneq (,$(filter %tests test-art% valgrind-test-art% build-art%,$(MAKECMDGOALS)))
   art_test_bother := true
 endif