trunks: Use 'LOCAL_MODULE_TAGS: eng' for tests.

BUG=None

Change-Id: Ia4fa49f6087b74c83f62851f4ef5c035719f10ea
diff --git a/trunks/Android.mk b/trunks/Android.mk
index 521293d..5c48ca7 100644
--- a/trunks/Android.mk
+++ b/trunks/Android.mk
@@ -166,7 +166,7 @@
 # ========================================================
 include $(CLEAR_VARS)
 LOCAL_MODULE := trunks_test
-LOCAL_MODULE_TAGS := debug
+LOCAL_MODULE_TAGS := eng
 LOCAL_CPP_EXTENSION := $(trunksCppExtension)
 LOCAL_CFLAGS := $(trunksCFlags)
 LOCAL_CLANG := true