Make error a warning for now

Change-Id: Idf18957fff2bb4ff31ca6d7d8d1c8d95847b4e00
diff --git a/core/base_rules.mk b/core/base_rules.mk
index b13e3b5..ecb9c30 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -515,7 +515,8 @@
     ALL_HOST_INSTALLED_FILES += $(LOCAL_INSTALLED_MODULE)
   endif
   ifneq ($(filter debug eng tests, $(LOCAL_MODULE_TAGS)),)
-    $(error $(LOCAL_MODULE_MAKEFILE): Module "$(LOCAL_MODULE)" has useless module tags: $(filter debug eng tests, $(LOCAL_MODULE_TAGS)). It will be installed anyway.)
+    $(warning $(LOCAL_MODULE_MAKEFILE): Module "$(LOCAL_MODULE)" has useless module tags: $(filter debug eng tests, $(LOCAL_MODULE_TAGS)). It will be installed anyway.)
+    LOCAL_MODULE_TAGS := $(filter-out debug eng tests, $(LOCAL_MODULE_TAGS))
   endif
 endif