Google Add-On API Documentation Fixes (5429077)

We no longer want a reference directory, but rather
maps_api and effects_api directories.

Change-Id: I72b3a342d0871ec4cf7010be0d2b6486ca83571b
diff --git a/core/tasks/sdk-addon.mk b/core/tasks/sdk-addon.mk
index a864781..5a24a00 100644
--- a/core/tasks/sdk-addon.mk
+++ b/core/tasks/sdk-addon.mk
@@ -80,9 +80,9 @@
 
 $(full_target): $(sdk_addon_deps) | $(ACP)
 	@echo Packaging SDK Addon: $@
-	$(hide) mkdir -p $(PRIVATE_STAGING_DIR)/docs/reference
+	$(hide) mkdir -p $(PRIVATE_STAGING_DIR)/docs
 	$(hide) for d in $(PRIVATE_DOCS_DIRS); do \
-	    $(ACP) -r $$d/* $(PRIVATE_STAGING_DIR)/docs/reference ;\
+	    $(ACP) -r $$d $(PRIVATE_STAGING_DIR)/docs ;\
 	  done
 	$(hide) mkdir -p $(dir $@)
 	$(hide) ( F=$$(pwd)/$@ ; cd $(PRIVATE_STAGING_DIR)/.. && zip -rq $$F * )