update pdk docs build target

include $(BUILD_DROIDDOC)

static_doc_index_redirect := $(out_dir)/index.html

$(static_doc_index_redirect): \

	$(LOCAL_PATH)/docs/docs-documentation-redirect.html | $(ACP)

	$(hide) mkdir -p $(dir $@)

	$(hide) $(ACP) $< $@

$(full_target): $(static_doc_index_redirect)

$(full_target): $(framework_built)

# ====  static html in the sdk ==================================

include $(CLEAR_VARS)