am 77881293: DO NOT MERGE - Back port change from master that enforces correctness in the javadoc comments.

Merge commit '77881293ad9a68dfa1c1da4b466f7b2b6465b342' into gingerbread-plus-aosp

* commit '77881293ad9a68dfa1c1da4b466f7b2b6465b342':
  DO NOT MERGE - Back port change from master that enforces correctness in the javadoc comments.
diff --git a/Android.mk b/Android.mk
index 5f8b235..b83c338 100644
--- a/Android.mk
+++ b/Android.mk
@@ -471,6 +471,35 @@
 $(INTERNAL_PLATFORM_API_FILE): $(full_target)
 $(call dist-for-goals,sdk,$(INTERNAL_PLATFORM_API_FILE))
 
+# ====  check javadoc comments but don't generate docs ========
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:=$(framework_docs_LOCAL_SRC_FILES)
+LOCAL_INTERMEDIATE_SOURCES:=$(framework_docs_LOCAL_INTERMEDIATE_SOURCES)
+LOCAL_JAVA_LIBRARIES:=$(framework_docs_LOCAL_JAVA_LIBRARIES)
+LOCAL_MODULE_CLASS:=$(framework_docs_LOCAL_MODULE_CLASS)
+LOCAL_DROIDDOC_SOURCE_PATH:=$(framework_docs_LOCAL_DROIDDOC_SOURCE_PATH)
+LOCAL_DROIDDOC_HTML_DIR:=$(framework_docs_LOCAL_DROIDDOC_HTML_DIR)
+LOCAL_ADDITIONAL_JAVA_DIR:=$(framework_docs_LOCAL_ADDITIONAL_JAVA_DIR)
+
+LOCAL_MODULE := doc-comment-check
+
+LOCAL_DROIDDOC_OPTIONS:=\
+		$(framework_docs_LOCAL_DROIDDOC_OPTIONS) \
+		-stubs $(TARGET_OUT_COMMON_INTERMEDIATES)/JAVA_LIBRARIES/android_stubs_current_intermediates/src \
+		-apixml $(INTERNAL_PLATFORM_API_FILE) \
+		-parsecomments
+
+LOCAL_DROIDDOC_CUSTOM_TEMPLATE_DIR:=build/tools/droiddoc/templates-sdk
+LOCAL_DROIDDOC_CUSTOM_ASSET_DIR:=assets-sdk
+
+include $(BUILD_DROIDDOC)
+
+# $(gen), i.e. framework.aidl, is also needed while building against the current stub.
+$(full_target): $(framework_built) $(gen)
+
+droidcore: doc-comment-check-docs
+
 # ====  static html in the sdk ==================================
 include $(CLEAR_VARS)