diff --git a/Android.mk b/Android.mk
index 13540f4..0dc7ff1 100644
--- a/Android.mk
+++ b/Android.mk
@@ -135,6 +135,7 @@
 LOCAL_SRC_FILES := \
     $(call all-java-files-under, src) \
     $(call all-java-files-under, quickstep/src) \
+    $(call all-java-files-under, src_flags) \
     $(call all-proto-files-under, protos) \
     $(call all-proto-files-under, proto_overrides)