Add dalvik.vm.dex2oat-flags for eng build

Bug: 12869646
Change-Id: I794320267c846225931f12075c7f32d7848081e9
diff --git a/core/main.mk b/core/main.mk
index 5175bef..a6c946d 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -393,6 +393,10 @@
           $(call collapse-pairs, $(ADDITIONAL_BUILD_PROPERTIES))) \
           ro.setupwizard.mode=OPTIONAL
 endif
+# Don't even verify the image on eng builds to speed startup
+ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.image-dex2oat-flags=--compiler-filter=verify-none
+# Don't compile apps on eng builds to speed startup
+ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.dex2oat-flags=--compiler-filter=interpret-only
 endif
 
 ## sdk ##