Rename r8 to r8-compat-proguard

Test: USE_R8=false USE_D8=true m -j32 && USE_R8=true USE_D8=true m -j32

Change-Id: I2610340cf75f8db5920e33fac542f0dcf294ce29
diff --git a/core/config.mk b/core/config.mk
index f54ea5f..c993c1b 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -546,7 +546,7 @@
   ZIPALIGN := $(prebuilt_sdk_tools_bin)/zipalign
 endif # TARGET_BUILD_APPS || TARGET_BUILD_PDK
 
-R8_COMPAT_PROGUARD_JAR := prebuilts/r8/compatproguard-master.jar
+R8_COMPAT_PROGUARD := $(HOST_OUT_EXECUTABLES)/r8-compat-proguard
 
 ifeq (,$(TARGET_BUILD_APPS))
   # Use RenderScript prebuilts for unbundled builds but not PDK builds
diff --git a/core/definitions.mk b/core/definitions.mk
index c7799b0..8b4051d 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -2795,7 +2795,7 @@
 ###########################################################
 define transform-jar-to-dex-r8
 @echo R8: $@
-$(hide) $(JAVA) -jar $(R8_COMPAT_PROGUARD_JAR) -injars '$<$(PRIVATE_PROGUARD_INJAR_FILTERS)' \
+$(hide) $(R8_COMPAT_PROGUARD) -injars '$<$(PRIVATE_PROGUARD_INJAR_FILTERS)' \
     --min-api $(PRIVATE_MIN_SDK_VERSION) \
     --force-proguard-compatibility --output $(subst classes.dex,,$@) \
     $(PRIVATE_PROGUARD_FLAGS) \
diff --git a/core/java.mk b/core/java.mk
index 71bed38..09e5371 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -752,7 +752,7 @@
 $(built_dex_intermediate): PRIVATE_PROGUARD_INJAR_FILTERS := $(proguard_injar_filters)
 $(built_dex_intermediate): PRIVATE_EXTRA_INPUT_JAR := $(extra_input_jar)
 $(built_dex_intermediate): PRIVATE_PROGUARD_FLAGS := $(legacy_proguard_flags) $(common_proguard_flags) $(LOCAL_PROGUARD_FLAGS)
-$(built_dex_intermediate) : $(full_classes_proguard_jar) $(extra_input_jar) $(my_support_library_sdk_raise) $(common_proguard_flag_files) $(proguard_flag_files) $(legacy_proguard_lib_deps) $(R8_COMPAT_PROGUARD_JAR)
+$(built_dex_intermediate) : $(full_classes_proguard_jar) $(extra_input_jar) $(my_support_library_sdk_raise) $(common_proguard_flag_files) $(proguard_flag_files) $(legacy_proguard_lib_deps) $(R8_COMPAT_PROGUARD)
 	$(transform-jar-to-dex-r8)
 endif # USE_R8
 endif # LOCAL_PROGUARD_ENABLED