add tcpdump to eng builds
diff --git a/Android.mk b/Android.mk
index ad47230..bf2e4ce 100644
--- a/Android.mk
+++ b/Android.mk
@@ -133,7 +133,7 @@
 
 LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES)
 
-LOCAL_MODULE_TAGS := tests
+LOCAL_MODULE_TAGS := eng
 
 LOCAL_MODULE := tcpdump