am 21a1f842: am 961096fa: Remove ancient SDK cleanbuild rule

previous_build_config_file := $(PRODUCT_OUT)/previous_build_config.mk

# TODO: this special case for the sdk is only necessary while "sdk"

# is a valid make target.  Eventually, it will just be a product, at

# which point TARGET_PRODUCT will handle it and we can avoid this check

# of MAKECMDGOALS.  The "addprefix" is just to keep things pretty.

ifneq ($(TARGET_PRODUCT),sdk)

  building_sdk := $(addprefix -,$(filter sdk,$(MAKECMDGOALS)))

else

  # Don't bother with this extra part when explicitly building the sdk product.

  building_sdk :=

endif

# A change in the list of aapt configs warrants an installclean, too.

aapt_config_list := $(strip $(PRODUCT_AAPT_CONFIG) $(PRODUCT_AAPT_PREF_CONFIG))

current_build_config := \

    $(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)$(building_sdk)-{$(aapt_config_list)}

building_sdk :=

    $(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)-{$(aapt_config_list)}

aapt_config_list :=

force_installclean := false