Fix Mac build by making dalvikvm definition visible

Change-Id: Ic8ef59f7bf9a88785b1c5e7fcc11a0942ef096a0
diff --git a/Android.mk b/Android.mk
index 39ce701..9d446fc 100644
--- a/Android.mk
+++ b/Android.mk
@@ -99,8 +99,10 @@
 	adb shell rm system/app/*.oat
 	adb shell rm data/run-test/test-*/dalvik-cache/*.oat
 
+# we aren't building most of art on darwin right now, but we do need to build new dalvikvm
 ifeq ($(HOST_OS)-$(HOST_ARCH),darwin-x86)
 art_dont_bother := true
+include $(LOCAL_PATH)/dalvikvm/Android.mk
 endif
 
 ifneq ($(art_dont_bother),true)