apmanager_test: Compile only on 'eng' builds.

Bug: 26967770
Change-Id: I656080fc329ca70c9239ccaf71fa6e90b665dc4f
diff --git a/Android.mk b/Android.mk
index 593b6a2..c71955f 100644
--- a/Android.mk
+++ b/Android.mk
@@ -104,7 +104,7 @@
 include $(CLEAR_VARS)
 LOCAL_MODULE := apmanager_test
 ifdef BRILLO
-  LOCAL_MODULE_TAGS := debug
+  LOCAL_MODULE_TAGS := eng
 endif # BRILLO
 LOCAL_SRC_FILES := \
     config_unittest.cc \