Adding module tags so tests get built by default.

Adding tag debug, now tests will be built in eng/userdebug makes.

Change-Id: I6ed5a77a7a95f316b9da5e9e83bb74a064fea8ce
diff --git a/Android.mk b/Android.mk
index e800ffa..dd56b81 100644
--- a/Android.mk
+++ b/Android.mk
@@ -292,6 +292,7 @@
 include $(CLEAR_VARS)
 LOCAL_CPP_EXTENSION := $(libchromeos_cpp_extension)
 LOCAL_MODULE := libchromeos_test
+LOCAL_MODULE_TAGS := debug
 LOCAL_SRC_FILES := $(libchromeos_test_sources)
 LOCAL_C_INCLUDES := $(libchromeos_includes)
 LOCAL_STATIC_LIBRARIES := libgtest libchrome_test_helpers \