Rename PRODUCT_USES_ART to PRODUCT_USES_DEFAULT_ART_CONFIG

It better describes what is meant to represent.

Test: m build
Change-Id: I942721cee2c7eaef625bf8c64aae32c1725705eb

core/dex_preopt.mk

@@ -26,7 +26,7 @@ $(foreach my_boot_image_name,$(DEXPREOPT_IMAGE_NAMES),$(eval include $(BUILD_SYS
 # We can do this only if preopt is enabled and if the product uses libart config (which sets the
 # default properties for preopting).
 ifeq ($(WITH_DEXPREOPT), true)
-ifeq ($(PRODUCT_USES_ART), true)
+ifeq ($(PRODUCT_USES_DEFAULT_ART_CONFIG), true)
 
 boot_zip := $(PRODUCT_OUT)/boot.zip
 bootclasspath_jars := $(DEXPREOPT_BOOTCLASSPATH_DEX_FILES)
@@ -45,5 +45,5 @@ $(boot_zip): $(bootclasspath_jars) $(system_server_jars) $(SOONG_ZIP) $(MERGE_ZI
 
 $(call dist-for-goals, droidcore, $(boot_zip))
 
-endif  #PRODUCT_USES_ART
+endif  #PRODUCT_USES_DEFAULT_ART_CONFIG
 endif  #WITH_DEXPREOPT

core/product.mk

@@ -245,7 +245,7 @@ _product_var_list += PRODUCT_DEX_PREOPT_NEVER_ALLOW_STRIPPING
 _product_var_list += \
     PRODUCT_USE_PROFILE_FOR_BOOT_IMAGE \
     PRODUCT_DEX_PREOPT_BOOT_IMAGE_PROFILE_LOCATION \
-    PRODUCT_USES_ART \
+    PRODUCT_USES_DEFAULT_ART_CONFIG \
 
 _product_var_list += PRODUCT_SYSTEM_SERVER_COMPILER_FILTER
 # Per-module sanitizer configs

target/product/runtime_libart.mk

@@ -96,4 +96,4 @@ PRODUCT_SYSTEM_DEFAULT_PROPERTIES += \
 PRODUCT_SYSTEM_DEFAULT_PROPERTIES += \
     ro.iorapd.enable=false
 
-PRODUCT_USES_ART := true
+PRODUCT_USES_DEFAULT_ART_CONFIG := true