docs change for ESD: add samples html pages for offline docs

bug: 2160782
Change-Id: I30fedc9e9b015ad035fa954ca0b1a19e846cca78
diff --git a/Android.mk b/Android.mk
index 5034c7e..a33ef38 100644
--- a/Android.mk
+++ b/Android.mk
@@ -439,6 +439,7 @@
 
 LOCAL_DROIDDOC_OPTIONS:=\
 		$(framework_docs_LOCAL_DROIDDOC_OPTIONS) \
+                $(web_docs_sample_code_flags) \
 		-title "Android SDK" \
 		-proofread $(OUT_DOCS)/$(LOCAL_MODULE)-proofread.txt \
 		-todo $(OUT_DOCS)/$(LOCAL_MODULE)-docs-todo.html \