Get rid of obsolete Make variable TARGET_CORE_JARS.

# Jars present in the ART apex. These should match exactly the list of

# Java libraries in the ART apex build rule.

ART_APEX_JARS := core-oj core-libart core-icu4j okhttp bouncycastle apache-xml

TARGET_CORE_JARS := $(ART_APEX_JARS) conscrypt

HOST_CORE_JARS := $(addsuffix -hostdex,$(TARGET_CORE_JARS))

#################################################################

# Read the product specs so we can get TARGET_DEVICE and other

    tz_version_host \

    tz_version_host_tzdata_apex \

ifeq ($(TARGET_CORE_JARS),)

$(error TARGET_CORE_JARS is empty; cannot initialize PRODUCT_BOOT_JARS variable)

ifeq ($(ART_APEX_JARS),)

$(error ART_APEX_JARS is empty; cannot initialize PRODUCT_BOOT_JARS variable)

endif

# The order matters for runtime class lookup performance.

# Provides a functioning ART environment without Android frameworks

ifeq ($(TARGET_CORE_JARS),)

$(error TARGET_CORE_JARS is empty; cannot update PRODUCT_PACKAGES variable)

endif

# Additional mixins to the boot classpath.

PRODUCT_PACKAGES += \

    android.test.base \

# ART APEX module.

# Note that this package includes the minimal boot classpath JARs (listed in

# TARGET_CORE_JARS), which should no longer be added directly to

# PRODUCT_PACKAGES.

# ART_APEX_JARS), which should no longer be added directly to PRODUCT_PACKAGES.

PRODUCT_PACKAGES += com.android.art

PRODUCT_HOST_PACKAGES += com.android.art