Merge "Allow more relaxed artifact path req enforcement"

    $(eval whitelist := $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_ARTIFACT_PATH_REQUIREMENT_WHITELIST)) \

    $(eval whitelist_patterns := $(call resolve-product-relative-paths,$(whitelist))) \

    $(eval offending_files := $(filter-out $(whitelist_patterns),$(files_in_requirement))) \

    $(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_ENFORCE_ARTIFACT_PATH_REQUIREMENTS),\

    $(eval enforcement := $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_ENFORCE_ARTIFACT_PATH_REQUIREMENTS)) \

    $(if $(enforcement),\

      $(call maybe-print-list-and-error,$(offending_files),$(INTERNAL_PRODUCT) produces files inside $(makefile)s artifact path requirement.) \

      $(eval unused_whitelist := $(filter-out $(extra_files),$(whitelist_patterns))) \

      $(eval unused_whitelist := $(if $(filter true strict,$(enforcement)),\

        $(foreach p,$(whitelist_patterns),$(if $(filter $(p),$(extra_files)),,$(p))))) \

      $(call maybe-print-list-and-error,$(unused_whitelist),$(INTERNAL_PRODUCT) includes redundant artifact path requirement whitelist entries.) \

    ) \

  )