Merge "Add task for API diffs"
diff --git a/Android.mk b/Android.mk
index 5690d6f..33936f3 100644
--- a/Android.mk
+++ b/Android.mk
@@ -1099,6 +1099,31 @@
-federate SupportLib https://developer.android.com \
-federationapi SupportLib prebuilts/sdk/current/support-api.txt
+# ==== the api diff ===========================
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := $(framework_docs_LOCAL_API_CHECK_SRC_FILES)
+LOCAL_INTERMEDIATE_SOURCES := $(framework_docs_LOCAL_INTERMEDIATE_SOURCES)
+LOCAL_JAVA_LIBRARIES := $(framework_docs_LOCAL_API_CHECK_JAVA_LIBRARIES)
+LOCAL_MODULE_CLASS := $(framework_docs_LOCAL_MODULE_CLASS)
+LOCAL_ADDITIONAL_JAVA_DIR := $(framework_docs_LOCAL_API_CHECK_ADDITIONAL_JAVA_DIR)
+LOCAL_ADDITIONAL_DEPENDENCIES := \
+ $(framework_docs_LOCAL_ADDITIONAL_DEPENDENCIES) \
+ $(INTERNAL_PLATFORM_API_FILE)
+
+LOCAL_MODULE := offline-sdk-referenceonly
+
+last_released_sdk_version := $(lastword $(call numerically_sort, \
+ $(filter-out current, \
+ $(patsubst $(SRC_API_DIR)/%.txt,%, $(wildcard $(SRC_API_DIR)/*.txt)) \
+ )\
+ ))
+
+LOCAL_APIDIFF_OLDAPI := $(LOCAL_PATH)/../../$(SRC_API_DIR)/$(last_released_sdk_version)
+LOCAL_APIDIFF_NEWAPI := $(LOCAL_PATH)/../../$(basename $(INTERNAL_PLATFORM_API_FILE))
+
+include $(BUILD_APIDIFF)
+
# ==== the api stubs and current.xml ===========================
include $(CLEAR_VARS)