Merge "Remove all unused, legacy FDO build rules"
diff --git a/core/Makefile b/core/Makefile
index 7975d3a..59c2bde 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -211,6 +211,40 @@
 	$(hide) mv $@.tmp $@
 
 # -----------------------------------------------------------------
+# Declare vendor ramdisk fragments
+INTERNAL_VENDOR_RAMDISK_FRAGMENTS :=
+
+# Validation check and assign default --ramdisk_type.
+$(foreach vendor_ramdisk_fragment,$(BOARD_VENDOR_RAMDISK_FRAGMENTS), \
+  $(if $(and $(BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).KERNEL_MODULE_DIRS), \
+             $(BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).PREBUILT)), \
+    $(error Must not specify KERNEL_MODULE_DIRS for prebuilt vendor ramdisk fragment "$(vendor_ramdisk_fragment)": $(BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).KERNEL_MODULE_DIRS))) \
+  $(eval VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).STAGING_DIR := $(call intermediates-dir-for,PACKAGING,vendor_ramdisk_fragment-stage-$(vendor_ramdisk_fragment))) \
+  $(eval VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).FILES :=) \
+  $(if $(BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).KERNEL_MODULE_DIRS), \
+    $(if $(filter --ramdisk_type,$(BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).MKBOOTIMG_ARGS)),, \
+      $(eval BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).MKBOOTIMG_ARGS += --ramdisk_type DLKM))) \
+)
+
+# Create the "kernel module directory" to "vendor ramdisk fragment" inverse mapping.
+$(foreach vendor_ramdisk_fragment,$(BOARD_VENDOR_RAMDISK_FRAGMENTS), \
+  $(foreach kmd,$(BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).KERNEL_MODULE_DIRS), \
+    $(eval kmd_vrf := KERNEL_MODULE_DIR_VENDOR_RAMDISK_FRAGMENT_$(kmd)) \
+    $(if $($(kmd_vrf)),$(error Kernel module directory "$(kmd)" belongs to multiple vendor ramdisk fragments: "$($(kmd_vrf))" "$(vendor_ramdisk_fragment)", each kernel module directory should belong to exactly one or none vendor ramdisk fragment)) \
+    $(eval $(kmd_vrf) := $(vendor_ramdisk_fragment)) \
+  ) \
+)
+INTERNAL_VENDOR_RAMDISK_FRAGMENTS += $(BOARD_VENDOR_RAMDISK_FRAGMENTS)
+
+# Assign --ramdisk_name for each vendor ramdisk fragment.
+$(foreach vendor_ramdisk_fragment,$(INTERNAL_VENDOR_RAMDISK_FRAGMENTS), \
+  $(if $(filter --ramdisk_name,$(BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).MKBOOTIMG_ARGS)), \
+    $(error Must not specify --ramdisk_name for vendor ramdisk fragment: $(vendor_ramdisk_fragment))) \
+  $(eval BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).MKBOOTIMG_ARGS += --ramdisk_name $(vendor_ramdisk_fragment)) \
+  $(eval .KATI_READONLY := BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).MKBOOTIMG_ARGS) \
+)
+
+# -----------------------------------------------------------------
 # kernel modules
 
 # Depmod requires a well-formed kernel version so 0.0 is used as a placeholder.
@@ -415,38 +449,24 @@
   VENDOR_RAMDISK_STRIPPED_MODULE_STAGING_DIR :=
 endif
 
-# Create the "kernel module directory" to "vendor ramdisk fragment" inverse mapping.
-$(foreach vendor_ramdisk_fragment,$(BOARD_VENDOR_RAMDISK_FRAGMENTS), \
-  $(if $(and $(BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).KERNEL_MODULE_DIRS), \
-             $(BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).PREBUILT)), \
-    $(error Must not specify KERNEL_MODULE_DIRS for prebuilt vendor ramdisk fragment "$(vendor_ramdisk_fragment)": $(BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).KERNEL_MODULE_DIRS))) \
-  $(eval VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).STAGING_DIR := $(call intermediates-dir-for,PACKAGING,vendor_ramdisk_fragment-dlkm-$(vendor_ramdisk_fragment))) \
-  $(eval VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).FILES :=) \
-  $(foreach dir,$(BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).KERNEL_MODULE_DIRS), \
-    $(eval kmd_vrf := KERNEL_MODULE_DIR_VENDOR_RAMDISK_FRAGMENT_$(dir)) \
-    $(if $($(kmd_vrf)),$(error Kernel module directory "$(dir)" belongs to multiple vendor ramdisk fragments: "$($(kmd_vrf))" "$(vendor_ramdisk_fragment)", each kernel module directory should belong to exactly one or none vendor ramdisk fragment)) \
-    $(eval $(kmd_vrf) := $(vendor_ramdisk_fragment)) \
-  ) \
-)
-
 BOARD_KERNEL_MODULE_DIRS += top
-$(foreach dir,$(BOARD_KERNEL_MODULE_DIRS), \
-  $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-image-kernel-modules-dir,RECOVERY,$(TARGET_RECOVERY_ROOT_OUT),,modules.load.recovery,,$(dir))) \
-  $(eval vendor_ramdisk_fragment := $(KERNEL_MODULE_DIR_VENDOR_RAMDISK_FRAGMENT_$(dir))) \
+$(foreach kmd,$(BOARD_KERNEL_MODULE_DIRS), \
+  $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-image-kernel-modules-dir,RECOVERY,$(TARGET_RECOVERY_ROOT_OUT),,modules.load.recovery,,$(kmd))) \
+  $(eval vendor_ramdisk_fragment := $(KERNEL_MODULE_DIR_VENDOR_RAMDISK_FRAGMENT_$(kmd))) \
   $(if $(vendor_ramdisk_fragment), \
     $(eval output_dir := $(VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).STAGING_DIR)) \
     $(eval result_var := VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).FILES) \
     $(eval ### else ###), \
     $(eval output_dir := $(TARGET_VENDOR_RAMDISK_OUT)) \
     $(eval result_var := ALL_DEFAULT_INSTALLED_MODULES)) \
-  $(eval $(result_var) += $(call build-image-kernel-modules-dir,VENDOR_RAMDISK,$(output_dir),,modules.load,$(VENDOR_RAMDISK_STRIPPED_MODULE_STAGING_DIR),$(dir))) \
-  $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-vendor-ramdisk-recovery-load,$(dir))) \
-  $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-image-kernel-modules-dir,VENDOR,$(if $(filter true,$(BOARD_USES_VENDOR_DLKMIMAGE)),$(TARGET_OUT_VENDOR_DLKM),$(TARGET_OUT_VENDOR)),vendor,modules.load,$(VENDOR_STRIPPED_MODULE_STAGING_DIR),$(dir))) \
-  $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-vendor-charger-load,$(dir))) \
-  $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-image-kernel-modules-dir,ODM,$(if $(filter true,$(BOARD_USES_ODM_DLKMIMAGE)),$(TARGET_OUT_ODM_DLKM),$(TARGET_OUT_ODM)),odm,modules.load,,$(dir))) \
+  $(eval $(result_var) += $(call build-image-kernel-modules-dir,VENDOR_RAMDISK,$(output_dir),,modules.load,$(VENDOR_RAMDISK_STRIPPED_MODULE_STAGING_DIR),$(kmd))) \
+  $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-vendor-ramdisk-recovery-load,$(kmd))) \
+  $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-image-kernel-modules-dir,VENDOR,$(if $(filter true,$(BOARD_USES_VENDOR_DLKMIMAGE)),$(TARGET_OUT_VENDOR_DLKM),$(TARGET_OUT_VENDOR)),vendor,modules.load,$(VENDOR_STRIPPED_MODULE_STAGING_DIR),$(kmd))) \
+  $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-vendor-charger-load,$(kmd))) \
+  $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-image-kernel-modules-dir,ODM,$(if $(filter true,$(BOARD_USES_ODM_DLKMIMAGE)),$(TARGET_OUT_ODM_DLKM),$(TARGET_OUT_ODM)),odm,modules.load,,$(kmd))) \
   $(if $(filter true,$(BOARD_USES_RECOVERY_AS_BOOT)),\
-    $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-recovery-as-boot-load,$(dir))),\
-    $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-image-kernel-modules-dir,GENERIC_RAMDISK,$(TARGET_RAMDISK_OUT),,modules.load,,$(dir)))))
+    $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-recovery-as-boot-load,$(kmd))),\
+    $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-image-kernel-modules-dir,GENERIC_RAMDISK,$(TARGET_RAMDISK_OUT),,modules.load,,$(kmd)))))
 
 # -----------------------------------------------------------------
 # Cert-to-package mapping.  Used by the post-build signing tools.
@@ -1040,13 +1060,13 @@
 endif
 
 ifdef INTERNAL_BOOTCONFIG
-ifneq (,$(findstring androidboot.hardware=, $(INTERNAL_BOOTCONFIG)))
-$(error "androidboot.hardware" BOOTCONFIG parameter is not supported due to \
-  bootconfig limitations. Use "hardware" instead. INTERNAL_BOOTCONFIG: \
-  $(INTERNAL_BOOTCONFIG))
-endif
-INTERNAL_VENDOR_BOOTCONFIG_TARGET := $(PRODUCT_OUT)/vendor-bootconfig.img
-$(INTERNAL_VENDOR_BOOTCONFIG_TARGET):
+  ifneq (,$(findstring androidboot.hardware=, $(INTERNAL_BOOTCONFIG)))
+    $(error "androidboot.hardware" BOOTCONFIG parameter is not supported due \
+      to bootconfig limitations. Use "hardware" instead. INTERNAL_BOOTCONFIG: \
+      $(INTERNAL_BOOTCONFIG))
+  endif
+  INTERNAL_VENDOR_BOOTCONFIG_TARGET := $(PRODUCT_OUT)/vendor-bootconfig.img
+  $(INTERNAL_VENDOR_BOOTCONFIG_TARGET):
 	rm -f $@
 	$(foreach param,$(INTERNAL_BOOTCONFIG), \
 	 printf "%s\n" $(param) >> $@;)
@@ -1083,17 +1103,12 @@
 INTERNAL_VENDOR_RAMDISK_FRAGMENT_TARGETS :=
 INTERNAL_VENDOR_RAMDISK_FRAGMENT_ARGS :=
 
-$(foreach vendor_ramdisk_fragment,$(BOARD_VENDOR_RAMDISK_FRAGMENTS), \
+$(foreach vendor_ramdisk_fragment,$(INTERNAL_VENDOR_RAMDISK_FRAGMENTS), \
   $(eval prebuilt_vendor_ramdisk_fragment_file := $(BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).PREBUILT)) \
   $(if $(prebuilt_vendor_ramdisk_fragment_file), \
     $(eval vendor_ramdisk_fragment_target := $(call build-prebuilt-vendor-ramdisk-fragment,$(vendor_ramdisk_fragment),$(prebuilt_vendor_ramdisk_fragment_file))) \
     $(eval ### else ###), \
-    $(eval vendor_ramdisk_fragment_target := $(call build-vendor-ramdisk-fragment,$(vendor_ramdisk_fragment))) \
-    $(if $(filter --ramdisk_type,$(BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).MKBOOTIMG_ARGS)),, \
-      $(eval BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).MKBOOTIMG_ARGS += --ramdisk_type DLKM))) \
-  $(if $(filter --ramdisk_name,$(BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).MKBOOTIMG_ARGS)), \
-    $(error Must not specify --ramdisk_name for vendor ramdisk fragment: $(vendor_ramdisk_fragment))) \
-  $(eval BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).MKBOOTIMG_ARGS += --ramdisk_name $(vendor_ramdisk_fragment)) \
+    $(eval vendor_ramdisk_fragment_target := $(call build-vendor-ramdisk-fragment,$(vendor_ramdisk_fragment)))) \
   $(eval INTERNAL_VENDOR_RAMDISK_FRAGMENT_TARGETS += $(vendor_ramdisk_fragment_target)) \
   $(eval INTERNAL_VENDOR_RAMDISK_FRAGMENT_ARGS += $(BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).MKBOOTIMG_ARGS) --vendor_ramdisk_fragment $(vendor_ramdisk_fragment_target)) \
 )
@@ -2509,7 +2524,7 @@
 $(INSTALLED_TEST_HARNESS_RAMDISK_TARGET): $(INSTALLED_DEBUG_RAMDISK_TARGET)
 $(INSTALLED_TEST_HARNESS_RAMDISK_TARGET): $(MKBOOTFS) $(INTERNAL_TEST_HARNESS_RAMDISK_FILES) | $(COMPRESSION_COMMAND_DEPS)
 	$(call pretty,"Target test harness ramdisk: $@")
-	rsync -a $(TEST_HARNESS_RAMDISK_SYNC_DIR)/ $(TEST_HARNESS_RAMDISK_ROOT_DIR)
+	rsync --chmod=u+w -a $(TEST_HARNESS_RAMDISK_SYNC_DIR)/ $(TEST_HARNESS_RAMDISK_ROOT_DIR)
 	$(call append-test-harness-props,$(ADDITIONAL_TEST_HARNESS_PROPERTIES),$(TEST_HARNESS_PROP_TARGET))
 	$(MKBOOTFS) -d $(TARGET_OUT) $(TEST_HARNESS_RAMDISK_ROOT_DIR) | $(COMPRESSION_COMMAND) > $@
 
@@ -2527,6 +2542,7 @@
 #
 # Note: it's intentional to skip signing for boot-test-harness.img, because it
 # can only be used if the device is unlocked with verification error.
+ifneq ($(INSTALLED_BOOTIMAGE_TARGET),)
 ifneq ($(strip $(TARGET_NO_KERNEL)),true)
 
 ifneq ($(strip $(BOARD_KERNEL_BINARIES)),)
@@ -2567,6 +2583,7 @@
 	$(foreach b,$(INSTALLED_TEST_HARNESS_BOOTIMAGE_TARGET),$(call build-boot-test-harness-target,$b))
 
 endif # TARGET_NO_KERNEL
+endif # INSTALLED_BOOTIMAGE_TARGET
 endif # BOARD_BUILD_SYSTEM_ROOT_IMAGE is not true
 
 # Creates a compatibility symlink between two partitions, e.g. /system/vendor to /vendor
@@ -3937,6 +3954,9 @@
     or (2) extracting kernel configuration and defining BOARD_KERNEL_CONFIG_FILE and \
     BOARD_KERNEL_VERSION manually; or (3) unsetting PRODUCT_OTA_ENFORCE_VINTF_KERNEL_REQUIREMENTS \
     manually.)
+# Clear their values to indicate that these two files does not exist.
+BUILT_KERNEL_CONFIGS_FILE :=
+BUILT_KERNEL_VERSION_FILE :=
 else
 
 # Tools for decompression that is not in PATH.
@@ -3981,8 +4001,10 @@
 check_vintf_compatible_deps := $(check_vintf_common_srcs)
 
 ifeq ($(PRODUCT_OTA_ENFORCE_VINTF_KERNEL_REQUIREMENTS),true)
+ifneq (,$(BUILT_KERNEL_VERSION_FILE)$(BUILT_KERNEL_CONFIGS_FILE))
 check_vintf_compatible_args += --kernel $(BUILT_KERNEL_VERSION_FILE):$(BUILT_KERNEL_CONFIGS_FILE)
 check_vintf_compatible_deps += $(BUILT_KERNEL_CONFIGS_FILE) $(BUILT_KERNEL_VERSION_FILE)
+endif # BUILT_KERNEL_VERSION_FILE != "" || BUILT_KERNEL_CONFIGS_FILE != ""
 endif # PRODUCT_OTA_ENFORCE_VINTF_KERNEL_REQUIREMENTS
 
 check_vintf_compatible_args += \
@@ -4887,9 +4909,9 @@
 	echo "$(BOARD_KERNEL_PAGESIZE)" > $(zip_root)/VENDOR_BOOT/pagesize
 endif
 	echo "$(INTERNAL_KERNEL_CMDLINE)" > $(zip_root)/VENDOR_BOOT/vendor_cmdline
-ifdef BOARD_VENDOR_RAMDISK_FRAGMENTS
-	echo "$(BOARD_VENDOR_RAMDISK_FRAGMENTS)" > "$(zip_root)/VENDOR_BOOT/vendor_ramdisk_fragments"
-	$(foreach vendor_ramdisk_fragment,$(BOARD_VENDOR_RAMDISK_FRAGMENTS), \
+ifdef INTERNAL_VENDOR_RAMDISK_FRAGMENTS
+	echo "$(INTERNAL_VENDOR_RAMDISK_FRAGMENTS)" > "$(zip_root)/VENDOR_BOOT/vendor_ramdisk_fragments"
+	$(foreach vendor_ramdisk_fragment,$(INTERNAL_VENDOR_RAMDISK_FRAGMENTS), \
 	  mkdir -p $(zip_root)/VENDOR_BOOT/RAMDISK_FRAGMENTS/$(vendor_ramdisk_fragment); \
 	  echo "$(BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).MKBOOTIMG_ARGS)" > "$(zip_root)/VENDOR_BOOT/RAMDISK_FRAGMENTS/$(vendor_ramdisk_fragment)/mkbootimg_args"; \
 	  $(eval prebuilt_ramdisk := $(BOARD_VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).PREBUILT)) \
@@ -4899,7 +4921,7 @@
 	      $(VENDOR_RAMDISK_FRAGMENT.$(vendor_ramdisk_fragment).STAGING_DIR), \
 	      $(zip_root)/VENDOR_BOOT/RAMDISK_FRAGMENTS/$(vendor_ramdisk_fragment)/RAMDISK); \
 	  ))
-endif # BOARD_VENDOR_RAMDISK_FRAGMENTS != ""
+endif # INTERNAL_VENDOR_RAMDISK_FRAGMENTS != ""
 endif # INSTALLED_VENDOR_BOOTIMAGE_TARGET
 ifdef BUILDING_SYSTEM_IMAGE
 	@# Contents of the system image
@@ -5331,10 +5353,18 @@
 # Any dependencies are set up later in build/make/core/main.mk.
 
 JACOCO_REPORT_CLASSES_ALL := $(PRODUCT_OUT)/jacoco-report-classes-all.jar
+$(JACOCO_REPORT_CLASSES_ALL): PRIVATE_TARGET_JACOCO_DIR := $(call intermediates-dir-for,PACKAGING,jacoco)
+$(JACOCO_REPORT_CLASSES_ALL): PRIVATE_HOST_JACOCO_DIR := $(call intermediates-dir-for,PACKAGING,jacoco,HOST)
+$(JACOCO_REPORT_CLASSES_ALL): PRIVATE_TARGET_PROGUARD_USAGE_DIR := $(call intermediates-dir-for,PACKAGING,proguard_usage)
+$(JACOCO_REPORT_CLASSES_ALL): PRIVATE_HOST_PROGUARD_USAGE_DIR := $(call intermediates-dir-for,PACKAGING,proguard_usage,HOST)
 $(JACOCO_REPORT_CLASSES_ALL) :
 	@echo "Collecting uninstrumented classes"
-	find $(TARGET_COMMON_OUT_ROOT) $(HOST_COMMON_OUT_ROOT) -name "jacoco-report-classes.jar" -o -name "proguard_usage.zip" 2>/dev/null | sort > $@.list
-	$(SOONG_ZIP) -o $@ -L 0 -C $(OUT_DIR) -P out -l $@.list
+	mkdir -p $(PRIVATE_TARGET_JACOCO_DIR) $(PRIVATE_HOST_JACOCO_DIR) $(PRIVATE_TARGET_PROGUARD_USAGE_DIR) $(PRIVATE_HOST_PROGUARD_USAGE_DIR)
+	$(SOONG_ZIP) -o $@ -L 0 \
+	  -C $(PRIVATE_TARGET_JACOCO_DIR) -P out/target/common/obj -D $(PRIVATE_TARGET_JACOCO_DIR) \
+	  -C $(PRIVATE_HOST_JACOCO_DIR) -P out/target/common/obj -D $(PRIVATE_HOST_JACOCO_DIR) \
+	  -C $(PRIVATE_TARGET_PROGUARD_USAGE_DIR) -P out/target/common/obj -D $(PRIVATE_TARGET_PROGUARD_USAGE_DIR) \
+	  -C $(PRIVATE_HOST_PROGUARD_USAGE_DIR) -P out/target/common/obj -D $(PRIVATE_HOST_PROGUARD_USAGE_DIR)
 
 ifeq (,$(TARGET_BUILD_UNBUNDLED))
   $(JACOCO_REPORT_CLASSES_ALL): $(INTERNAL_ALLIMAGES_FILES)
@@ -5350,13 +5380,11 @@
 ifeq (,$(TARGET_BUILD_UNBUNDLED))
 $(PROGUARD_DICT_ZIP): $(INTERNAL_ALLIMAGES_FILES) $(updater_dep)
 endif
-$(PROGUARD_DICT_ZIP): PRIVATE_LIST_FILE := $(call intermediates-dir-for,PACKAGING,proguard)/filelist
+$(PROGUARD_DICT_ZIP): PRIVATE_PACKAGING_DIR := $(call intermediates-dir-for,PACKAGING,proguard_dictionary)
 $(PROGUARD_DICT_ZIP): $(SOONG_ZIP)
 	@echo "Packaging Proguard obfuscation dictionary files."
-	mkdir -p $(dir $@) $(TARGET_OUT_COMMON_INTERMEDIATES)/APPS $(dir $(PRIVATE_LIST_FILE))
-	find $(TARGET_OUT_COMMON_INTERMEDIATES)/APPS -name proguard_dictionary | \
-	    sed -e 's/\(.*\)\/proguard_dictionary/\0\n\1\/classes.jar/' > $(PRIVATE_LIST_FILE)
-	$(SOONG_ZIP) --ignore_missing_files -d -o $@ -C $(OUT_DIR)/.. -l $(PRIVATE_LIST_FILE)
+	mkdir -p $(dir $@) $(PRIVATE_PACKAGING_DIR)
+	$(SOONG_ZIP) --ignore_missing_files -d -o $@ -C $(PRIVATE_PACKAGING_DIR) -P out/target/common/obj -D $(PRIVATE_PACKAGING_DIR)
 
 #------------------------------------------------------------------
 # A zip of Proguard usage files.
@@ -5377,11 +5405,12 @@
     $(INSTALLED_ODM_DLKMIMAGE_TARGET) \
     $(updater_dep)
 endif
-$(PROGUARD_USAGE_ZIP): PRIVATE_LIST_FILE := $(call intermediates-dir-for,PACKAGING,proguard_usage)/filelist
+$(PROGUARD_USAGE_ZIP): PRIVATE_LIST_FILE := $(call intermediates-dir-for,PACKAGING,proguard_usage.zip)/filelist
+$(PROGUARD_USAGE_ZIP): PRIVATE_PACKAGING_DIR := $(call intermediates-dir-for,PACKAGING,proguard_usage)
 $(PROGUARD_USAGE_ZIP): $(MERGE_ZIPS)
 	@echo "Packaging Proguard usage files."
-	mkdir -p $(dir $@) $(TARGET_OUT_COMMON_INTERMEDIATES)/APPS $(dir $(PRIVATE_LIST_FILE))
-	find $(TARGET_OUT_COMMON_INTERMEDIATES)/APPS -name proguard_usage.zip > $(PRIVATE_LIST_FILE)
+	mkdir -p $(dir $@) $(PRIVATE_PACKAGING_DIR) $(dir $(PRIVATE_LIST_FILE))
+	find $(PRIVATE_PACKAGING_DIR) -name proguard_usage.zip > $(PRIVATE_LIST_FILE)
 	$(MERGE_ZIPS) $@ @$(PRIVATE_LIST_FILE)
 
 ifeq (true,$(PRODUCT_USE_DYNAMIC_PARTITIONS))
diff --git a/core/board_config.mk b/core/board_config.mk
index a739784..9ae597e 100644
--- a/core/board_config.mk
+++ b/core/board_config.mk
@@ -25,6 +25,7 @@
 _board_strip_readonly_list += BOARD_HAVE_BLUETOOTH
 _board_strip_readonly_list += BOARD_INSTALLER_CMDLINE
 _board_strip_readonly_list += BOARD_KERNEL_CMDLINE
+_board_strip_readonly_list += BOARD_BOOT_HEADER_VERSION
 _board_strip_readonly_list += BOARD_BOOTCONFIG
 _board_strip_readonly_list += BOARD_KERNEL_BASE
 _board_strip_readonly_list += BOARD_USES_GENERIC_AUDIO
@@ -828,7 +829,14 @@
   ifdef BOARD_VENDOR_RAMDISK_FRAGMENTS
     $(error Should not set BOARD_VENDOR_RAMDISK_FRAGMENTS if not building vendor_boot image)
   endif
-endif
+else # BUILDING_VENDOR_BOOT_IMAGE
+  ifneq (,$(call math_lt,$(BOARD_BOOT_HEADER_VERSION),4))
+    ifdef BOARD_VENDOR_RAMDISK_FRAGMENTS
+      $(error Should not set BOARD_VENDOR_RAMDISK_FRAGMENTS if \
+        BOARD_BOOT_HEADER_VERSION is less than 4)
+    endif
+  endif
+endif # BUILDING_VENDOR_BOOT_IMAGE
 
 ifneq ($(words $(BOARD_VENDOR_RAMDISK_FRAGMENTS)),$(words $(sort $(BOARD_VENDOR_RAMDISK_FRAGMENTS))))
   $(error BOARD_VENDOR_RAMDISK_FRAGMENTS has duplicate entries: $(BOARD_VENDOR_RAMDISK_FRAGMENTS))
diff --git a/core/definitions.mk b/core/definitions.mk
index 379c93e..b15ce84 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -745,6 +745,42 @@
 endef
 
 ###########################################################
+## The packaging directory for a module.  Similar to intermedates, but
+## in a location that will be wiped by an m installclean.
+###########################################################
+
+# $(1): subdir in PACKAGING
+# $(2): target class, like "APPS"
+# $(3): target name, like "NotePad"
+# $(4): { HOST, HOST_CROSS, <empty (TARGET)>, <other non-empty (HOST)> }
+define packaging-dir-for
+$(strip \
+    $(eval _pdfClass := $(strip $(2))) \
+    $(if $(_pdfClass),, \
+        $(error $(LOCAL_PATH): Class not defined in call to generated-sources-dir-for)) \
+    $(eval _pdfName := $(strip $(3))) \
+    $(if $(_pdfName),, \
+        $(error $(LOCAL_PATH): Name not defined in call to generated-sources-dir-for)) \
+    $(call intermediates-dir-for,PACKAGING,$(1),$(4))/$(_pdfClass)/$(_pdfName)_intermediates \
+)
+endef
+
+# Uses LOCAL_MODULE_CLASS, LOCAL_MODULE, and LOCAL_IS_HOST_MODULE
+# to determine the packaging directory.
+#
+# $(1): subdir in PACKAGING
+define local-packaging-dir
+$(strip \
+    $(if $(strip $(LOCAL_MODULE_CLASS)),, \
+        $(error $(LOCAL_PATH): LOCAL_MODULE_CLASS not defined before call to local-generated-sources-dir)) \
+    $(if $(strip $(LOCAL_MODULE)),, \
+        $(error $(LOCAL_PATH): LOCAL_MODULE not defined before call to local-generated-sources-dir)) \
+    $(call packaging-dir-for,$(1),$(LOCAL_MODULE_CLASS),$(LOCAL_MODULE),$(if $(strip $(LOCAL_IS_HOST_MODULE)),HOST)) \
+)
+endef
+
+
+###########################################################
 ## Convert a list of short module names (e.g., "framework", "Browser")
 ## into the list of files that are built for those modules.
 ## NOTE: this won't return reliable results until after all
@@ -1751,7 +1787,6 @@
   $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
   $(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_COVERAGE_LIB)) \
   $(PRIVATE_TARGET_LIBCRT_BUILTINS) \
-  $(PRIVATE_TARGET_LIBATOMIC) \
   $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
   $(PRIVATE_LDFLAGS) \
   $(PRIVATE_ALL_SHARED_LIBRARIES) \
@@ -1786,7 +1821,6 @@
   $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
   $(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_COVERAGE_LIB)) \
   $(PRIVATE_TARGET_LIBCRT_BUILTINS) \
-  $(PRIVATE_TARGET_LIBATOMIC) \
   $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
   $(PRIVATE_LDFLAGS) \
   $(PRIVATE_ALL_SHARED_LIBRARIES) \
@@ -1830,7 +1864,6 @@
   $(filter %libc.a %libc.hwasan.a,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
   $(filter %libc_nomalloc.a %libc_nomalloc.hwasan.a,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
   $(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_COVERAGE_LIB)) \
-  $(PRIVATE_TARGET_LIBATOMIC) \
   $(filter %libcompiler_rt.a %libcompiler_rt.hwasan.a,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
   $(PRIVATE_TARGET_LIBCRT_BUILTINS) \
   -Wl,--end-group \
diff --git a/core/envsetup.rbc b/core/envsetup.rbc
index 2924ee1..451623b 100644
--- a/core/envsetup.rbc
+++ b/core/envsetup.rbc
@@ -1,4 +1,3 @@
-
 # Copyright 2021 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -13,14 +12,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-load(":build_id.rbc|init", _build_id_init="init")
+load(":build_id.rbc|init", _build_id_init = "init")
 
 def _all_versions():
     """Returns all known versions."""
-    versions = ["OPR1", "OPD1", "OPD2","OPM1", "OPM2", "PPR1", "PPD1", "PPD2", "PPM1",  "PPM2", "QPR1" ]
+    versions = ["OPR1", "OPD1", "OPD2", "OPM1", "OPM2", "PPR1", "PPD1", "PPD2", "PPM1", "PPM2", "QPR1"]
     for v in ("Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"):
-        for e in ("P1A", "P1B", "P2A", "P2B", "D1A", "D1B", "D2A", "D2B", "Q1A", "Q1B", "Q2A", "Q2B", "Q3A",  "Q3B"):
-            versions.append(v+e)
+        for e in ("P1A", "P1B", "P2A", "P2B", "D1A", "D1B", "D2A", "D2B", "Q1A", "Q1B", "Q2A", "Q2B", "Q3A", "Q3B"):
+            versions.append(v + e)
     return versions
 
 def _allowed_versions(all_versions, min_version, max_version, default_version):
@@ -36,7 +35,7 @@
         fail("%s should come before %s in the version list" % (min_version, max_version))
     if def_i < min_i or def_i > max_i:
         fail("%s should come between % and %s" % (default_version, min_version, max_version))
-    return all_versions[min_i:max_i+1]
+    return all_versions[min_i:max_i + 1]
 
 # This function is a manual conversion of the version_defaults.mk
 def _versions_default(g, all_versions):
@@ -70,21 +69,22 @@
     g.setdefault("PLATFORM_VERSION_CODENAME", g["TARGET_PLATFORM_VERSION"])
     # TODO(asmundak): set PLATFORM_VERSION_ALL_CODENAMES
 
-    g.setdefault("PLATFORM_VERSION",
-        g["PLATFORM_VERSION_LAST_STABLE"] if g["PLATFORM_VERSION_CODENAME"] == "REL" else g["PLATFORM_VERSION_CODENAME"])
     g.setdefault("PLATFORM_SDK_VERSION", 30)
-    if g["PLATFORM_VERSION_CODENAME"] == "REL":
+    version_codename = g["PLATFORM_VERSION_CODENAME"]
+    if version_codename == "REL":
+        g.setdefault("PLATFORM_VERSION", g["PLATFORM_VERSION_LAST_STABLE"])
         g["PLATFORM_PREVIEW_SDK_VERSION"] = 0
+        g.setdefault("DEFAULT_APP_TARGET_SDK", g["PLATFORM_SDK_VERSION"])
+        g.setdefault("PLATFORM_VNDK_VERSION", g["PLATFORM_SDK_VERSION"])
     else:
+        g.setdefault("PLATFORM_VERSION", version_codename)
         g.setdefault("PLATFORM_PREVIEW_SDK_VERSION", 1)
+        g.setdefault("DEFAULT_APP_TARGET_SDK", version_codename)
+        g.setdefault("PLATFORM_VNDK_VERSION", version_codename)
 
-    g.setdefault("DEFAULT_APP_TARGET_SDK",
-        g["PLATFORM_SDK_VERSION"] if g["PLATFORM_VERSION_CODENAME"] == "REL" else g["PLATFORM_VERSION_CODENAME"])
-    g.setdefault("PLATFORM_VNDK_VERSION",
-        g["PLATFORM_SDK_VERSION"] if g["PLATFORM_VERSION_CODENAME"] == "REL" else g["PLATFORM_VERSION_CODENAME"])
     g.setdefault("PLATFORM_SYSTEMSDK_MIN_VERSION", 28)
     versions = [str(i) for i in range(g["PLATFORM_SYSTEMSDK_MIN_VERSION"], g["PLATFORM_SDK_VERSION"] + 1)]
-    versions.append(g["PLATFORM_VERSION_CODENAME"])
+    versions.append(version_codename)
     g["PLATFORM_SYSTEMSDK_VERSIONS"] = sorted(versions)
 
     #  Used to indicate the security patch that has been applied to the device.
@@ -117,6 +117,13 @@
     g.setdefault("PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION", 23)
 
 def init(g):
+    """Initializes globals.
+
+    The code is the Starlark counterpart of the contents of the
+    envsetup.mk file.
+    Args:
+        g: globals dictionary
+    """
     all_versions = _all_versions()
     _versions_default(g, all_versions)
     for v in all_versions:
@@ -168,7 +175,8 @@
     g["HOST_CROSS_2ND_ARCH_MODULE_SUFFIX"] = "_64"
     g["TARGET_2ND_ARCH_VAR_PREFIX"] = "2ND_"
 
-    # TODO(asmundak): combo-related stuff
+    # TODO(asmundak): envsetup.mk lines 216-226:
+    # convert combo-related stuff from combo/select.mk
 
     # on windows, the tools have .exe at the end, and we depend on the
     # host config stuff being done first
@@ -177,23 +185,23 @@
 
     # the host build defaults to release, and it must be release or debug
     g.setdefault("HOST_BUILD_TYPE", "release")
-    if g["HOST_BUILD_TYPE"] != "release" and g["HOST_BUILD_TYPE"] != "debug":
+    if g["HOST_BUILD_TYPE"] not in ["release", "debug"]:
         fail("HOST_BUILD_TYPE must be either release or debug, not '%s'" % g["HOST_BUILD_TYPE"])
 
-    # TODO(asmundak): a lot more, but not needed for the product configuration
+    # TODO(asmundak): there is more stuff in envsetup.mk lines 249-292, but
+    # it does not seem to affect product configuration. Revisit this.
 
     g["ART_APEX_JARS"] = [
         "com.android.art:core-oj",
         "com.android.art:core-libart",
         "com.android.art:okhttp",
         "com.android.art:bouncycastle",
-        "com.android.art:apache-xml"
+        "com.android.art:apache-xml",
     ]
 
     if g.get("TARGET_BUILD_TYPE", "") != "debug":
         g["TARGET_BUILD_TYPE"] = "release"
 
-
 v_default = "SP1A"
 v_min = "SP1A"
 v_max = "SP1A"
diff --git a/core/executable_internal.mk b/core/executable_internal.mk
index c6a8faf..fb14cce 100644
--- a/core/executable_internal.mk
+++ b/core/executable_internal.mk
@@ -41,7 +41,6 @@
 else
 my_target_libcrt_builtins := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)LIBCRT_BUILTINS)
 endif
-my_target_libatomic := $(call intermediates-dir-for,STATIC_LIBRARIES,libatomic,,,$(LOCAL_2ND_ARCH_VAR_PREFIX))/libatomic.a
 ifeq ($(LOCAL_NO_CRT),true)
 my_target_crtbegin_dynamic_o :=
 my_target_crtbegin_static_o :=
@@ -61,18 +60,17 @@
 my_target_crtend_o := $(SOONG_$(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_OBJECT_crtend_android.sdk.$(my_ndk_crt_version))
 endif
 $(linked_module): PRIVATE_TARGET_LIBCRT_BUILTINS := $(my_target_libcrt_builtins)
-$(linked_module): PRIVATE_TARGET_LIBATOMIC := $(my_target_libatomic)
 $(linked_module): PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O := $(my_target_crtbegin_dynamic_o)
 $(linked_module): PRIVATE_TARGET_CRTBEGIN_STATIC_O := $(my_target_crtbegin_static_o)
 $(linked_module): PRIVATE_TARGET_CRTEND_O := $(my_target_crtend_o)
 $(linked_module): PRIVATE_POST_LINK_CMD := $(LOCAL_POST_LINK_CMD)
 
 ifeq ($(LOCAL_FORCE_STATIC_EXECUTABLE),true)
-$(linked_module): $(my_target_crtbegin_static_o) $(all_objects) $(all_libraries) $(my_target_crtend_o) $(my_target_libcrt_builtins) $(my_target_libatomic) $(CLANG_CXX)
+$(linked_module): $(my_target_crtbegin_static_o) $(all_objects) $(all_libraries) $(my_target_crtend_o) $(my_target_libcrt_builtins) $(CLANG_CXX)
 	$(transform-o-to-static-executable)
 	$(PRIVATE_POST_LINK_CMD)
 else
-$(linked_module): $(my_target_crtbegin_dynamic_o) $(all_objects) $(all_libraries) $(my_target_crtend_o) $(my_target_libcrt_builtins) $(my_target_libatomic) $(CLANG_CXX)
+$(linked_module): $(my_target_crtbegin_dynamic_o) $(all_objects) $(all_libraries) $(my_target_crtend_o) $(my_target_libcrt_builtins) $(CLANG_CXX)
 	$(transform-o-to-executable)
 	$(PRIVATE_POST_LINK_CMD)
 endif
diff --git a/core/fuzz_test.mk b/core/fuzz_test.mk
index 4a0fcfa..8a4b8c3 100644
--- a/core/fuzz_test.mk
+++ b/core/fuzz_test.mk
@@ -19,35 +19,6 @@
 
 ifeq ($(my_fuzzer),libFuzzer)
 LOCAL_STATIC_LIBRARIES += libFuzzer
-else ifeq ($(my_fuzzer),honggfuzz)
-LOCAL_STATIC_LIBRARIES += honggfuzz_libhfuzz
-LOCAL_REQUIRED_MODULES += honggfuzz
-LOCAL_LDFLAGS += \
-        "-Wl,--wrap=strcmp" \
-        "-Wl,--wrap=strcasecmp" \
-        "-Wl,--wrap=strncmp" \
-        "-Wl,--wrap=strncasecmp" \
-        "-Wl,--wrap=strstr" \
-        "-Wl,--wrap=strcasestr" \
-        "-Wl,--wrap=memcmp" \
-        "-Wl,--wrap=bcmp" \
-        "-Wl,--wrap=memmem" \
-        "-Wl,--wrap=ap_cstr_casecmp" \
-        "-Wl,--wrap=ap_cstr_casecmpn" \
-        "-Wl,--wrap=ap_strcasestr" \
-        "-Wl,--wrap=apr_cstr_casecmp" \
-        "-Wl,--wrap=apr_cstr_casecmpn" \
-        "-Wl,--wrap=CRYPTO_memcmp" \
-        "-Wl,--wrap=OPENSSL_memcmp" \
-        "-Wl,--wrap=OPENSSL_strcasecmp" \
-        "-Wl,--wrap=OPENSSL_strncasecmp" \
-        "-Wl,--wrap=xmlStrncmp" \
-        "-Wl,--wrap=xmlStrcmp" \
-        "-Wl,--wrap=xmlStrEqual" \
-        "-Wl,--wrap=xmlStrcasecmp" \
-        "-Wl,--wrap=xmlStrncasecmp" \
-        "-Wl,--wrap=xmlStrstr" \
-        "-Wl,--wrap=xmlStrcasestr"
 else
 $(call pretty-error, Unknown fuzz engine $(my_fuzzer))
 endif
diff --git a/core/jacoco.mk b/core/jacoco.mk
index e8fb89b..e8c74ee 100644
--- a/core/jacoco.mk
+++ b/core/jacoco.mk
@@ -71,7 +71,11 @@
 	zip -q $@ \
 	  -r $(PRIVATE_UNZIPPED_PATH)
 
-
+# Make a rule to copy the jacoco-report-classes.jar to a packaging directory.
+$(eval $(call copy-one-file,$(my_classes_to_report_on_path),\
+  $(call local-packaging-dir,jacoco)/jacoco-report-classes.jar))
+$(call add-dependency,$(LOCAL_BUILT_MODULE),\
+  $(call local-packaging-dir,jacoco)/jacoco-report-classes.jar)
 
   # make a task that invokes instrumentation
   my_instrumented_path := $(my_files)/work/instrumented/classes
diff --git a/core/java.mk b/core/java.mk
index 3f147ba..123cbe8 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -470,6 +470,17 @@
 
 ifneq ($(filter obfuscation,$(LOCAL_PROGUARD_ENABLED)),)
   $(built_dex_intermediate): .KATI_IMPLICIT_OUTPUTS := $(proguard_dictionary) $(proguard_configuration)
+
+  # Make a rule to copy the proguard_dictionary to a packaging directory.
+  $(eval $(call copy-one-file,$(proguard_dictionary),\
+    $(call local-packaging-dir,proguard_dictionary)/proguard_dictionary))
+  $(call add-dependency,$(LOCAL_BUILT_MODULE),\
+    $(call local-packaging-dir,proguard_dictionary)/proguard_dictionary)
+
+  $(eval $(call copy-one-file,$(full_classes_pre_proguard_jar),\
+    $(call local-packaging-dir,proguard_dictionary)/classes.jar))
+  $(call add-dependency,$(LOCAL_BUILT_MODULE),\
+    $(call local-packaging-dir,proguard_dictionary)/classes.jar)
 endif
 
 endif # LOCAL_PROGUARD_ENABLED defined
diff --git a/core/main.mk b/core/main.mk
index 3362681..cc9c809 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -295,6 +295,13 @@
 ifdef BOARD_SHIPPING_API_LEVEL
 ADDITIONAL_VENDOR_PROPERTIES += \
     ro.board.first_api_level=$(BOARD_SHIPPING_API_LEVEL)
+
+# To manually set the vendor API level of the vendor modules, BOARD_API_LEVEL can be used.
+# The values of the GRF properties will be verified by post_process_props.py
+ifdef BOARD_API_LEVEL
+ADDITIONAL_VENDOR_PROPERTIES += \
+    ro.board.api_level=$(BOARD_API_LEVEL)
+endif
 endif
 
 ADDITIONAL_VENDOR_PROPERTIES += \
diff --git a/core/product_config.rbc b/core/product_config.rbc
index 6e96822..111e759 100644
--- a/core/product_config.rbc
+++ b/core/product_config.rbc
@@ -1,4 +1,3 @@
-
 # Copyright 2021 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -13,7 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-load("//build/make/core:envsetup.rbc", _envsetup_init="init")
+load("//build/make/core:envsetup.rbc", _envsetup_init = "init")
+
 """Runtime functions."""
 
 def _global_init():
@@ -33,10 +33,13 @@
 
     # Variables that should be defined.
     mandatory_vars = [
-        "PLATFORM_VERSION_CODENAME", "PLATFORM_VERSION",
+        "PLATFORM_VERSION_CODENAME",
+        "PLATFORM_VERSION",
         "PRODUCT_SOONG_NAMESPACES",
         # TODO(asmundak): do we need TARGET_ARCH? AOSP does not reference it
-        "TARGET_BUILD_TYPE", "TARGET_BUILD_VARIANT", "TARGET_PRODUCT",
+        "TARGET_BUILD_TYPE",
+        "TARGET_BUILD_VARIANT",
+        "TARGET_PRODUCT",
     ]
     for bv in mandatory_vars:
         if not bv in globals:
@@ -56,29 +59,26 @@
             print(attr, "=", repr(value))
         elif _options.format == "make":
             print(attr, ":=", " ".join(value))
+    elif _options.format == "pretty":
+        print(attr, "=", repr(value))
+    elif _options.format == "make":
+        print(attr, ":=", value)
     else:
-        if _options.format == "pretty":
-            print(attr, "=", repr(value))
-        elif _options.format == "make":
-            print(attr, ":=", value)
-        else:
-            fail("bad output format", _options.format)
-
+        fail("bad output format", _options.format)
 
 def _printvars(globals, cfg):
     """Prints known configuration variables."""
     for attr, val in sorted(cfg.items()):
         __print_attr(attr, val)
     if _options.print_globals:
+        print()
         for attr, val in sorted(globals.items()):
-            print()
             if attr not in _globals_base:
                 __print_attr(attr, val)
 
-
-def __printvars_rearrange_list(l):
+def __printvars_rearrange_list(value_list):
     """Rearrange value list: return only distinct elements, maybe sorted."""
-    seen = { item: 0 for item in l}
+    seen = {item: 0 for item in value_list}
     return sorted(seen.keys()) if _options.rearrange == "sort" else seen.keys()
 
 def _product_configuration(top_pcm_name, top_pcm):
@@ -97,44 +97,49 @@
 
     globals = dict(**_globals_base)
 
-    config_postfix = []     # Configs in postfix order
+    config_postfix = []  # Configs in postfix order
+
     # Each PCM is represented by a quadruple of function, config, children names
     # and readyness (that is, the configurations from inherited PCMs have been
     # substituted).
-    configs = { top_pcm_name: (top_pcm, None, [], False)}  # All known PCMs
+    configs = {top_pcm_name: (top_pcm, None, [], False)}  # All known PCMs
 
-    stash = []              # Configs to push once their descendants are done
+    stash = []  # Configs to push once their descendants are done
 
-    # Stack maintaining PCMs to be processed. An item in the stack
+    # Stack containing PCMs to be processed. An item in the stack
     # is a pair of PCMs name and its height in the product inheritance tree.
-    pcm_stack = []
-    pcm_stack.append((top_pcm_name, 0))
+    pcm_stack = [(top_pcm_name, 0)]
     pcm_count = 0
+
     # Run it until pcm_stack is exhausted, but no more than N times
     for n in range(1000):
         if not pcm_stack:
             break
         (name, height) = pcm_stack.pop()
         pcm, cfg, c, _ = configs[name]
-        # each PCM is executed once
+
+        # cfg is set only after PCM has been called, leverage this
+        # to prevent calling the same PCM twice
         if cfg != None:
             continue
+
         # Push ancestors until we reach this node's height
         config_postfix.extend([stash.pop() for i in range(len(stash) - height)])
 
         # Run this one, obtaining its configuration and child PCMs.
         if _options.trace_modules:
-            print("%s:" % n[0])
+            print("%d:" % n)
 
-        # The handle passed to the PCM consists of config and inheritance state.dict of inherited modules
-        # and a list containing the current default value of a list variable.
+        # Run PCM.
         handle = __h_new()
         pcm(globals, handle)
+
+        # Now we know everything about this PCM, record it in 'configs'.
         children = __h_inherited_modules(handle)
         if _options.trace_modules:
             print("   ", "    ".join(children.keys()))
         configs[name] = (pcm, __h_cfg(handle), children.keys(), False)
-        pcm_count = pcm_count+1
+        pcm_count = pcm_count + 1
 
         if len(children) == 0:
             # Leaf PCM goes straight to the config_postfix
@@ -143,17 +148,18 @@
 
         # Stash this PCM, process children in the sorted order
         stash.append(name)
-        for child_name in sorted(children, reverse=True):
+        for child_name in sorted(children, reverse = True):
             if child_name not in configs:
                 configs[child_name] = (children[child_name], None, [], False)
             pcm_stack.append((child_name, len(stash)))
+    if pcm_stack:
+        fail("Inheritance processing took too many iterations")
 
     # Flush the stash
     config_postfix.extend([stash.pop() for i in range(len(stash))])
     if len(config_postfix) != pcm_count:
         fail("Ran %d modules but postfix tree has only %d entries" % (pcm_count, len(config_postfix)))
 
-
     if _options.trace_modules:
         print("\n---Postfix---")
         for x in config_postfix:
@@ -162,55 +168,56 @@
     # Traverse the tree from the bottom, evaluating inherited values
     for pcm_name in config_postfix:
         pcm, cfg, children_names, ready = configs[pcm_name]
+
         # Should run
         if cfg == None:
             fail("%s: has not been run" % pcm_name)
+
         # Ready once
         if ready:
             continue
+
         # Children should be ready
         for child_name in children_names:
             if not configs[child_name][3]:
                 fail("%s: child is not ready" % child_name)
 
-        # if _options.trace_modules:
-        #     print(">%s: %s" % (pcm_name, cfg))
-
         _substitute_inherited(configs, pcm_name, cfg)
         _percolate_inherited(configs, pcm_name, cfg, children_names)
         configs[pcm_name] = pcm, cfg, children_names, True
-        # if _options.trace_modules:
-        #     print("<%s: %s" % (pcm_name, cfg))
 
     return globals, configs[top_pcm_name][1]
 
-
 def _substitute_inherited(configs, pcm_name, cfg):
-    """Substitutes inherited values in all the configuration settings."""
-    for attr, val in cfg.items():
-        trace_it = attr in _options.trace_variables
-        if trace_it:
-            old_val = val
+    """Substitutes inherited values in all the attributes.
 
+    When a value of an attribute is a list, some of its items may be
+    references to a value of a same attribute in an inherited product,
+    e.g., for a given module PRODUCT_PACKAGES can be
+      ["foo", (submodule), "bar"]
+    and for 'submodule' PRODUCT_PACKAGES may be ["baz"]
+    (we use a tuple to distinguish submodule references).
+    After the substitution the value of PRODUCT_PACKAGES for the module
+    will become ["foo", "baz", "bar"]
+    """
+    for attr, val in cfg.items():
         # TODO(asmundak): should we handle single vars?
         if type(val) != "list":
             continue
 
-        if trace_it:
+        if attr not in _options.trace_variables:
+            cfg[attr] = _value_expand(configs, attr, val)
+        else:
+            old_val = val
             new_val = _value_expand(configs, attr, val)
             if new_val != old_val:
                 print("%s(i): %s=%s (was %s)" % (pcm_name, attr, new_val, old_val))
             cfg[attr] = new_val
-            continue
-
-        cfg[attr] = _value_expand(configs, attr, val)
-
-
 
 def _value_expand(configs, attr, values_list):
     """Expands references to inherited values in a given list."""
     result = []
-    expanded={}
+    expanded = {}
     for item in values_list:
         # Inherited values are 1-tuples
         if type(item) != "tuple":
@@ -227,7 +234,6 @@
 
     return result
 
-
 def _percolate_inherited(configs, cfg_name, cfg, children_names):
     """Percolates the settings that are present only in children."""
     percolated_attrs = {}
@@ -251,19 +257,16 @@
         if attr in percolated_attrs:
             print("%s: %s^=%s" % (cfg_name, attr, cfg[attr]))
 
-
 def __move_items(to_list, from_cfg, attr):
-    l = from_cfg.get(attr, [])
-    if l:
-        to_list.extend(l)
+    value = from_cfg.get(attr, [])
+    if value:
+        to_list.extend(value)
         from_cfg[attr] = []
 
-
 def _indirect(pcm_name):
     """Returns configuration item for the inherited module."""
     return (pcm_name,)
 
-
 def _addprefix(prefix, string_or_list):
     """Adds prefix and returns a list.
 
@@ -276,8 +279,7 @@
         string_or_list
 
     """
-    return [ prefix + x for x in __words(string_or_list)]
-
+    return [prefix + x for x in __words(string_or_list)]
 
 def _addsuffix(suffix, string_or_list):
     """Adds suffix and returns a list.
@@ -290,67 +292,82 @@
       suffix
       string_or_list
     """
-    return [ x + suffix for x in __words(string_or_list)]
-
+    return [x + suffix for x in __words(string_or_list)]
 
 def __words(string_or_list):
     if type(string_or_list) == "list":
         return string_or_list
     return string_or_list.split()
 
-
+# Handle manipulation functions.
+# A handle passed to a PCM consists of:
+#   product attributes dict ("cfg")
+#   inherited modules dict (maps module name to PCM)
+#   default value list (initially empty, modified by inheriting)
 def __h_new():
     """Constructs a handle which is passed to PCM."""
     return (dict(), dict(), list())
 
 def __h_inherited_modules(handle):
+    """Returns PCM's inherited modules dict."""
     return handle[1]
 
-
 def __h_cfg(handle):
+    """Returns PCM's product configuration attributes dict.
+
+    This function is also exported as rblf.cfg, and every PCM
+    calls it at the beginning.
+    """
     return handle[0]
 
-
 def _setdefault(handle, attr):
-    """Sets given attribute's value if it has not been set."""
+    """If attribute has not been set, assigns default value to it.
+
+    This function is exported as rblf.setdefault().
+    Only list attributes are initialized this way. The default
+    value is kept in the PCM's handle. Calling inherit() updates it.
+    """
     cfg = handle[0]
     if cfg.get(attr) == None:
         cfg[attr] = list(handle[2])
     return cfg[attr]
 
 def _inherit(handle, pcm_name, pcm):
-    """Records inheritance."""
+    """Records inheritance.
+
+    This function is exported as rblf.inherit, PCM calls it when
+    a module is inherited.
+    """
     cfg, inherited, default_lv = handle
-    inherited[pcm_name]=pcm
+    inherited[pcm_name] = pcm
     default_lv.append(_indirect(pcm_name))
+
     # Add inherited module reference to all configuration values
     for attr, val in cfg.items():
         if type(val) == "list":
             val.append(_indirect(pcm_name))
 
-
 def _copy_if_exists(path_pair):
     """If from file exists, returns [from:to] pair."""
-    l = path_pair.split(":", 2)
+    value = path_pair.split(":", 2)
+
     # Check that l[0] exists
-    return [":".join(l)] if rblf_file_exists(l[0]) else []
+    return [":".join(value)] if rblf_file_exists(value[0]) else []
 
 def _enforce_product_packages_exist(pkg_string_or_list):
     """Makes including non-existent modules in PRODUCT_PACKAGES an error."""
+
     #TODO(asmundak)
     pass
 
-
 def _file_wildcard_exists(file_pattern):
     """Return True if there are files matching given bash pattern."""
     return len(rblf_wildcard(file_pattern)) > 0
 
-
 def _find_and_copy(pattern, from_dir, to_dir):
     """Return a copy list for the files matching the pattern."""
     return ["%s/%s:%s/%s" % (from_dir, f, to_dir, f) for f in rblf_wildcard(pattern, from_dir)]
 
-
 def _filter_out(pattern, text):
     """Return all the words from `text' that do not match any word in `pattern'.
 
@@ -367,7 +384,6 @@
             res.append(w)
     return res
 
-
 def _filter(pattern, text):
     """Return all the words in `text` that match `pattern`.
 
@@ -383,49 +399,39 @@
             res.append(w)
     return res
 
-
 def __mk2regex(words):
     """Returns regular expression equivalent to Make pattern."""
 
     # TODO(asmundak): this will mishandle '\%'
     return "^(" + "|".join([w.replace("%", ".*", 1) for w in words]) + ")"
 
-
 def _regex_match(regex, w):
     return rblf_regex(regex, w)
 
-
 def _require_artifacts_in_path(paths, allowed_paths):
     """TODO."""
-    #print("require_artifacts_in_path(", __words(paths), ",", __words(allowed_paths), ")")
     pass
 
-
 def _require_artifacts_in_path_relaxed(paths, allowed_paths):
     """TODO."""
     pass
 
-
 def _expand_wildcard(pattern):
     """Expands shell wildcard pattern."""
     return rblf_wildcard(pattern)
 
-
-def _mkerror(file, message=""):
+def _mkerror(file, message = ""):
     """Prints error and stops."""
     fail("%s: %s. Stop" % (file, message))
 
-
-def _mkwarning(file, message=""):
+def _mkwarning(file, message = ""):
     """Prints warning."""
     print("%s: warning: %s" % (file, message))
 
-
-def _mkinfo(file, message=""):
+def _mkinfo(file, message = ""):
     """Prints info."""
     print(message)
 
-
 def __get_options():
     """Returns struct containing runtime global settings."""
     settings = dict(
@@ -455,29 +461,29 @@
 
 # Settings used during debugging.
 _options = __get_options()
-rblf = struct(addprefix=_addprefix,
-              addsuffix=_addsuffix,
-              copy_if_exists=_copy_if_exists,
-              cfg=__h_cfg,
-              enforce_product_packages_exist=_enforce_product_packages_exist,
-              expand_wildcard=_expand_wildcard,
-              file_exists=rblf_file_exists,
-              file_wildcard_exists=_file_wildcard_exists,
-              filter=_filter,
-              filter_out=_filter_out,
-              find_and_copy=_find_and_copy,
-              global_init=_global_init,
-              inherit=_inherit,
-              indirect=_indirect,
-              mkinfo=_mkinfo,
-              mkerror=_mkerror,
-              mkwarning=_mkwarning,
-              printvars=_printvars,
-              product_configuration=_product_configuration,
-              require_artifacts_in_path=_require_artifacts_in_path,
-              require_artifacts_in_path_relaxed=_require_artifacts_in_path_relaxed,
-              setdefault=_setdefault,
-              shell=rblf_shell,
-              warning=_mkwarning,
-              )
-
+rblf = struct(
+    addprefix = _addprefix,
+    addsuffix = _addsuffix,
+    copy_if_exists = _copy_if_exists,
+    cfg = __h_cfg,
+    enforce_product_packages_exist = _enforce_product_packages_exist,
+    expand_wildcard = _expand_wildcard,
+    file_exists = rblf_file_exists,
+    file_wildcard_exists = _file_wildcard_exists,
+    filter = _filter,
+    filter_out = _filter_out,
+    find_and_copy = _find_and_copy,
+    global_init = _global_init,
+    inherit = _inherit,
+    indirect = _indirect,
+    mkinfo = _mkinfo,
+    mkerror = _mkerror,
+    mkwarning = _mkwarning,
+    printvars = _printvars,
+    product_configuration = _product_configuration,
+    require_artifacts_in_path = _require_artifacts_in_path,
+    require_artifacts_in_path_relaxed = _require_artifacts_in_path_relaxed,
+    setdefault = _setdefault,
+    shell = rblf_shell,
+    warning = _mkwarning,
+)
diff --git a/core/shared_library_internal.mk b/core/shared_library_internal.mk
index 12b7f44..139de10 100644
--- a/core/shared_library_internal.mk
+++ b/core/shared_library_internal.mk
@@ -39,7 +39,6 @@
 else
 my_target_libcrt_builtins := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)LIBCRT_BUILTINS)
 endif
-my_target_libatomic := $(call intermediates-dir-for,STATIC_LIBRARIES,libatomic,,,$(LOCAL_2ND_ARCH_VAR_PREFIX))/libatomic.a
 ifeq ($(LOCAL_NO_CRT),true)
 my_target_crtbegin_so_o :=
 my_target_crtend_so_o :=
@@ -55,7 +54,6 @@
 my_target_crtend_so_o := $(SOONG_$(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_OBJECT_crtend_so.sdk.$(my_ndk_crt_version))
 endif
 $(linked_module): PRIVATE_TARGET_LIBCRT_BUILTINS := $(my_target_libcrt_builtins)
-$(linked_module): PRIVATE_TARGET_LIBATOMIC := $(my_target_libatomic)
 $(linked_module): PRIVATE_TARGET_CRTBEGIN_SO_O := $(my_target_crtbegin_so_o)
 $(linked_module): PRIVATE_TARGET_CRTEND_SO_O := $(my_target_crtend_so_o)
 
@@ -65,7 +63,6 @@
         $(my_target_crtbegin_so_o) \
         $(my_target_crtend_so_o) \
         $(my_target_libcrt_builtins) \
-        $(my_target_libatomic) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES) $(CLANG_CXX)
 	$(transform-o-to-shared-lib)
 
diff --git a/core/soong_app_prebuilt.mk b/core/soong_app_prebuilt.mk
index 50ac93a..ce7b142 100644
--- a/core/soong_app_prebuilt.mk
+++ b/core/soong_app_prebuilt.mk
@@ -7,7 +7,7 @@
 # LOCAL_SOONG_HEADER_JAR
 # LOCAL_SOONG_JACOCO_REPORT_CLASSES_JAR
 # LOCAL_SOONG_PROGUARD_DICT
-# LOCAL_SOONG_PROGUARD_USAGE
+# LOCAL_SOONG_PROGUARD_USAGE_ZIP
 # LOCAL_SOONG_RESOURCE_EXPORT_PACKAGE
 # LOCAL_SOONG_RRO_DIRS
 # LOCAL_SOONG_JNI_LIBS_$(TARGET_ARCH)
@@ -74,23 +74,31 @@
 
 ifdef LOCAL_SOONG_JACOCO_REPORT_CLASSES_JAR
   $(eval $(call copy-one-file,$(LOCAL_SOONG_JACOCO_REPORT_CLASSES_JAR),\
-    $(intermediates.COMMON)/jacoco-report-classes.jar))
+    $(call local-packaging-dir,jacoco)/jacoco-report-classes.jar))
   $(call add-dependency,$(LOCAL_BUILT_MODULE),\
-    $(intermediates.COMMON)/jacoco-report-classes.jar)
+    $(call local-packaging-dir,jacoco)/jacoco-report-classes.jar)
 endif
 
 ifdef LOCAL_SOONG_PROGUARD_DICT
   $(eval $(call copy-one-file,$(LOCAL_SOONG_PROGUARD_DICT),\
     $(intermediates.COMMON)/proguard_dictionary))
+  $(eval $(call copy-one-file,$(LOCAL_SOONG_PROGUARD_DICT),\
+    $(call local-packaging-dir,proguard_dictionary)/proguard_dictionary))
+  $(eval $(call copy-one-file,$(LOCAL_SOONG_CLASSES_JAR),\
+    $(call local-packaging-dir,proguard_dictionary)/classes.jar))
   $(call add-dependency,$(LOCAL_BUILT_MODULE),\
     $(intermediates.COMMON)/proguard_dictionary)
+  $(call add-dependency,$(LOCAL_BUILT_MODULE),\
+    $(call local-packaging-dir,proguard_dictionary)/proguard_dictionary)
+  $(call add-dependency,$(LOCAL_BUILT_MODULE),\
+    $(call local-packaging-dir,proguard_dictionary)/classes.jar)
 endif
 
 ifdef LOCAL_SOONG_PROGUARD_USAGE_ZIP
   $(eval $(call copy-one-file,$(LOCAL_SOONG_PROGUARD_USAGE_ZIP),\
-    $(intermediates.COMMON)/proguard_usage.zip))
+    $(call local-packaging-dir,proguard_usage)/proguard_usage.zip))
   $(call add-dependency,$(LOCAL_BUILT_MODULE),\
-    $(intermediates.COMMON)/proguard_usage.zip)
+    $(call local-packaging-dir,proguard_usage)/proguard_usage.zip)
 endif
 
 ifdef LOCAL_SOONG_RESOURCE_EXPORT_PACKAGE
diff --git a/core/soong_java_prebuilt.mk b/core/soong_java_prebuilt.mk
index c600178..ca9b825 100644
--- a/core/soong_java_prebuilt.mk
+++ b/core/soong_java_prebuilt.mk
@@ -47,23 +47,31 @@
 
 ifdef LOCAL_SOONG_JACOCO_REPORT_CLASSES_JAR
   $(eval $(call copy-one-file,$(LOCAL_SOONG_JACOCO_REPORT_CLASSES_JAR),\
-    $(intermediates.COMMON)/jacoco-report-classes.jar))
+    $(call local-packaging-dir,jacoco)/jacoco-report-classes.jar))
   $(call add-dependency,$(common_javalib.jar),\
-    $(intermediates.COMMON)/jacoco-report-classes.jar)
+    $(call local-packaging-dir,jacoco)/jacoco-report-classes.jar)
 endif
 
 ifdef LOCAL_SOONG_PROGUARD_DICT
   $(eval $(call copy-one-file,$(LOCAL_SOONG_PROGUARD_DICT),\
     $(intermediates.COMMON)/proguard_dictionary))
-  $(call add-dependency,$(LOCAL_BUILT_MODULE),\
+  $(eval $(call copy-one-file,$(LOCAL_SOONG_PROGUARD_DICT),\
+    $(call local-packaging-dir,proguard_dictionary)/proguard_dictionary))
+  $(eval $(call copy-one-file,$(LOCAL_SOONG_CLASSES_JAR),\
+    $(call local-packaging-dir,proguard_dictionary)/classes.jar))
+  $(call add-dependency,$(common_javalib.jar),\
     $(intermediates.COMMON)/proguard_dictionary)
+  $(call add-dependency,$(common_javalib.jar),\
+    $(call local-packaging-dir,proguard_dictionary)/proguard_dictionary)
+  $(call add-dependency,$(common_javalib.jar),\
+    $(call local-packaging-dir,proguard_dictionary)/classes.jar)
 endif
 
-ifdef LOCAL_SOONG_PROGUARD_USAGE
+ifdef LOCAL_SOONG_PROGUARD_USAGE_ZIP
   $(eval $(call copy-one-file,$(LOCAL_SOONG_PROGUARD_USAGE_ZIP),\
-    $(intermediates.COMMON)/proguard_usage.zip))
-  $(call add-dependency,$(LOCAL_BUILT_MODULE),\
-    $(intermediates.COMMON)/proguard_usage.zip)
+    $(call local-packaging-dir,proguard_usage)/proguard_usage.zip))
+  $(call add-dependency,$(common_javalib.jar),\
+    $(call local-packaging-dir,proguard_usage)/proguard_usage.zip)
 endif
 
 
diff --git a/core/sysprop.mk b/core/sysprop.mk
index 359d3d2..daebdd3 100644
--- a/core/sysprop.mk
+++ b/core/sysprop.mk
@@ -122,7 +122,7 @@
 	        echo "$$(line)" >> $$@;\
 	    )\
 	)
-	$(hide) $(POST_PROCESS_PROPS) $$(_option) $$@ $(5)
+	$(hide) $(POST_PROCESS_PROPS) $$(_option) --sdk-version $(PLATFORM_SDK_VERSION) $$@ $(5)
 	$(hide) $(foreach file,$(strip $(6)),\
 	    if [ -f "$(file)" ]; then\
 	        cat $(file) >> $$@;\
diff --git a/target/board/generic_arm64/device.mk b/target/board/generic_arm64/device.mk
index 37c0f25..27dc158 100644
--- a/target/board/generic_arm64/device.mk
+++ b/target/board/generic_arm64/device.mk
@@ -24,7 +24,12 @@
     kernel/prebuilts/5.10/arm64/kernel-5.10-lz4:kernel-5.10-lz4 \
     kernel/prebuilts/mainline/arm64/kernel-mainline-allsyms:kernel-mainline \
     kernel/prebuilts/mainline/arm64/kernel-mainline-gz-allsyms:kernel-mainline-gz \
-    kernel/prebuilts/mainline/arm64/kernel-mainline-lz4-allsyms:kernel-mainline-lz4
+    kernel/prebuilts/mainline/arm64/kernel-mainline-lz4-allsyms:kernel-mainline-lz4 \
+
+$(call dist-for-goals, dist_files, kernel/prebuilts/4.19/arm64/prebuilt-info.txt:kernel/4.19/prebuilt-info.txt)
+$(call dist-for-goals, dist_files, kernel/prebuilts/5.4/arm64/prebuilt-info.txt:kernel/5.4/prebuilt-info.txt)
+$(call dist-for-goals, dist_files, kernel/prebuilts/5.10/arm64/prebuilt-info.txt:kernel/5.10/prebuilt-info.txt)
+$(call dist-for-goals, dist_files, kernel/prebuilts/mainline/arm64/prebuilt-info.txt:kernel/mainline/prebuilt-info.txt)
 
 ifneq (,$(filter userdebug eng,$(TARGET_BUILD_VARIANT)))
 PRODUCT_COPY_FILES += \
diff --git a/target/product/base_system.mk b/target/product/base_system.mk
index c87fb73..8562d4f 100644
--- a/target/product/base_system.mk
+++ b/target/product/base_system.mk
@@ -116,7 +116,6 @@
     iptables \
     ip-up-vpn \
     javax.obex \
-    keystore \
     keystore2 \
     credstore \
     ld.mc \
@@ -385,11 +384,6 @@
     SettingsProvider \
     WallpaperBackup
 
-# Packages included only for eng/userdebug builds, when building with SANITIZE_TARGET=address
-PRODUCT_PACKAGES_DEBUG_ASAN := \
-    fuzz \
-    honggfuzz
-
 PRODUCT_PACKAGES_DEBUG_JAVA_COVERAGE := \
     libdumpcoverage
 
@@ -401,8 +395,4 @@
 PRODUCT_COPY_FILES += $(call add-to-product-copy-files-if-exists,\
     frameworks/base/config/dirty-image-objects:system/etc/dirty-image-objects)
 
-# This property allows enabling Keystore 2.0 selectively for testing.
-# TODO Remove when Keystore 2.0 migration is complete. b/171563717
-PRODUCT_SYSTEM_PROPERTIES += persist.android.security.keystore2.enable=true
-
 $(call inherit-product, $(SRC_TARGET_DIR)/product/runtime_libart.mk)
diff --git a/target/product/default_art_config.mk b/target/product/default_art_config.mk
index 1545780..bb17dda 100644
--- a/target/product/default_art_config.mk
+++ b/target/product/default_art_config.mk
@@ -39,16 +39,6 @@
     com.android.tethering:framework-tethering \
     com.android.ipsec:android.net.ipsec.ike
 
-# Add the compatibility library that is needed when android.test.base
-# is removed from the bootclasspath.
-# Default to excluding android.test.base from the bootclasspath.
-ifneq ($(REMOVE_ATB_FROM_BCP),false)
-  PRODUCT_PACKAGES += framework-atb-backward-compatibility
-  PRODUCT_BOOT_JARS += framework-atb-backward-compatibility
-else
-  PRODUCT_BOOT_JARS += android.test.base
-endif
-
 # Minimal configuration for running dex2oat (default argument values).
 # PRODUCT_USES_DEFAULT_ART_CONFIG must be true to enable boot image compilation.
 PRODUCT_USES_DEFAULT_ART_CONFIG := true
diff --git a/target/product/gsi/gsi_skip_mount.cfg b/target/product/gsi/gsi_skip_mount.cfg
index ad3c7d9..28f4349 100644
--- a/target/product/gsi/gsi_skip_mount.cfg
+++ b/target/product/gsi/gsi_skip_mount.cfg
@@ -1,3 +1,9 @@
+# Skip "system" mountpoints.
 /oem
 /product
 /system_ext
+# Skip sub-mountpoints of system mountpoints.
+/oem/*
+/product/*
+/system_ext/*
+/system/*
diff --git a/target/product/media_system.mk b/target/product/media_system.mk
index 143131e..c7ac907 100644
--- a/target/product/media_system.mk
+++ b/target/product/media_system.mk
@@ -57,6 +57,7 @@
 # system server jars which are updated via apex modules.
 # The values should be of the format <apex name>:<jar name>
 PRODUCT_UPDATABLE_SYSTEM_SERVER_JARS := \
+    com.android.art:service-art \
     com.android.permission:service-permission \
 
 PRODUCT_COPY_FILES += \
diff --git a/tools/post_process_props.py b/tools/post_process_props.py
index d8c9cb1..46bae29 100755
--- a/tools/post_process_props.py
+++ b/tools/post_process_props.py
@@ -42,7 +42,59 @@
   # default to "adb". That might not the right policy there, but it's better
   # to be explicit.
   if not prop_list.get_value("persist.sys.usb.config"):
-    prop_list.put("persist.sys.usb.config", "none");
+    prop_list.put("persist.sys.usb.config", "none")
+
+def validate_and_add_grf_props(prop_list, sdk_version):
+  """Validate GRF properties if exist.
+
+  If ro.board.first_api_level is defined, check if its value is valid for the
+  sdk version.
+  Also, validate the value of ro.board.api_level if defined. If the
+  ro.board.api_level property is not defined, define it with the required
+  vendor API level for the GRF policy.
+
+  Returns:
+    True if the GRF properties are valid.
+  """
+  grf_api_level = prop_list.get_value("ro.board.first_api_level")
+  board_api_level = prop_list.get_value("ro.board.api_level")
+
+  if not grf_api_level:
+    if board_api_level:
+      sys.stderr.write("error: non-GRF device must not define "
+                       "ro.board.api_level\n")
+      return False
+    # non-GRF device skips the GRF validation test
+    return True
+
+  grf_api_level = int(grf_api_level)
+  if grf_api_level > sdk_version:
+    sys.stderr.write("error: ro.board.first_api_level(%d) must be less than "
+                     "or equal to ro.build.version.sdk(%d)\n"
+                     % (grf_api_level, sdk_version))
+    return False
+
+  grf_window = 4
+  grf_required_api_level = (grf_api_level
+                  + grf_window * ((sdk_version - grf_api_level) // grf_window))
+
+  if board_api_level:
+    board_api_level = int(board_api_level)
+    if board_api_level < grf_api_level or board_api_level > sdk_version:
+      sys.stderr.write("error: ro.board.api_level(%d) must be neither less "
+                       "than ro.board.first_api_level(%d) nor greater than "
+                       "ro.build.version.sdk(%d)\n"
+                       % (board_api_level, grf_api_level, sdk_version))
+      return False
+    if board_api_level < grf_required_api_level:
+      sys.stderr.write("error: ro.board.api_level(%d) must be greater than or "
+                       "equal to %d based on GRF policy\n"
+                       % (board_api_level, grf_required_api_level))
+      return False
+  else:
+    prop_list.put("ro.board.api_level", str(grf_required_api_level))
+
+  return True
 
 def validate(prop_list):
   """Validate the properties.
@@ -215,6 +267,7 @@
                       default=False)
   parser.add_argument("filename")
   parser.add_argument("disallowed_keys", metavar="KEY", type=str, nargs="*")
+  parser.add_argument("--sdk-version", type=int, required=True)
   args = parser.parse_args()
 
   if not args.filename.endswith("/build.prop"):
@@ -225,6 +278,8 @@
   mangle_build_prop(props)
   if not override_optional_props(props, args.allow_dup):
     sys.exit(1)
+  if not validate_and_add_grf_props(props, args.sdk_version):
+    sys.exit(1)
   if not validate(props):
     sys.exit(1)
 
diff --git a/tools/rbcrun/host.go b/tools/rbcrun/host.go
index f1697f1..1e43334 100644
--- a/tools/rbcrun/host.go
+++ b/tools/rbcrun/host.go
@@ -182,7 +182,7 @@
 	}
 	if shellPath == "" {
 		return starlark.None,
-			fmt.Errorf("cannot run shell, SHELL environment variable is not set (running on Windows?)")
+			fmt.Errorf("cannot run shell, /bin/sh is missing (running on Windows?)")
 	}
 	cmd := exec.Command(shellPath, "-c", command)
 	// We ignore command's status
@@ -234,8 +234,12 @@
 		"rblf_wildcard": starlark.NewBuiltin("rblf_wildcard", wildcard),
 	}
 
-	// NOTE(asmundak): OS-specific.
-	shellPath, _ = os.LookupEnv("SHELL")
+	// NOTE(asmundak): OS-specific. Behave similar to Linux `system` call,
+	// which always uses /bin/sh to run the command
+	shellPath = "/bin/sh"
+	if _, err := os.Stat(shellPath); err != nil {
+		shellPath = ""
+	}
 }
 
 // Parses, resolves, and executes a Starlark file.
diff --git a/tools/releasetools/build_image.py b/tools/releasetools/build_image.py
index 3726df6..301d0da 100755
--- a/tools/releasetools/build_image.py
+++ b/tools/releasetools/build_image.py
@@ -73,9 +73,9 @@
   """
   cmd = ["find", path, "-print"]
   output = common.RunAndCheckOutput(cmd, verbose=False)
-  # increase by > 4% as number of files and directories is not whole picture.
+  # increase by > 6% as number of files and directories is not whole picture.
   inodes = output.count('\n')
-  spare_inodes = inodes * 4 // 100
+  spare_inodes = inodes * 6 // 100
   min_spare_inodes = 12
   if spare_inodes < min_spare_inodes:
     spare_inodes = min_spare_inodes
diff --git a/tools/releasetools/ota_from_target_files.py b/tools/releasetools/ota_from_target_files.py
index 3d0fc67..02b2b4d 100755
--- a/tools/releasetools/ota_from_target_files.py
+++ b/tools/releasetools/ota_from_target_files.py
@@ -1052,8 +1052,10 @@
     target_info = common.BuildInfo(OPTIONS.target_info_dict, OPTIONS.oem_dicts)
     source_info = common.BuildInfo(OPTIONS.source_info_dict, OPTIONS.oem_dicts)
     vendor_prop = source_info.info_dict.get("vendor.build.prop")
-    if vendor_prop and \
-            vendor_prop.GetProp("ro.virtual_ab.compression.enabled") == "true":
+    vabc_used = vendor_prop and \
+        vendor_prop.GetProp("ro.virtual_ab.compression.enabled") == "true" and \
+        not OPTIONS.disable_vabc
+    if vabc_used:
       # TODO(zhangkelvin) Remove this once FEC on VABC is supported
       logger.info("Virtual AB Compression enabled, disabling FEC")
       OPTIONS.disable_fec_computation = True
diff --git a/tools/test_post_process_props.py b/tools/test_post_process_props.py
index 12d52e5..dd5f8ec 100644
--- a/tools/test_post_process_props.py
+++ b/tools/test_post_process_props.py
@@ -53,7 +53,7 @@
 
     p.make_as_comment()
     self.assertTrue(p.is_comment())
-    self.assertTrue("# a comment\n#a=b", str(p))
+    self.assertEqual("# a comment\n#a=b", str(p))
 
 class PropListTestcase(unittest.TestCase):
   def setUp(self):
@@ -251,5 +251,37 @@
         # because it's explicitly allowed
         self.assertTrue(override_optional_props(props, allow_dup=True))
 
+  def test_validateGrfProps(self):
+    stderr_redirect = io.StringIO()
+    with contextlib.redirect_stderr(stderr_redirect):
+      props = PropList("hello")
+      props.put("ro.board.first_api_level","25")
+
+      # ro.board.first_api_level must be less than or equal to the sdk version
+      self.assertFalse(validate_and_add_grf_props(props, 20))
+      self.assertTrue(validate_and_add_grf_props(props, 26))
+      # ro.board.api_level is automatically set
+      self.assertEqual(props.get_value("ro.board.api_level"), "25")
+
+      props.get_all_props()[-1].make_as_comment()
+      self.assertTrue(validate_and_add_grf_props(props, 35))
+      # ro.board.api_level is automatically set to the required GRF version
+      self.assertEqual(props.get_value("ro.board.api_level"), "33")
+
+      props.get_all_props()[-1].make_as_comment()
+      # manually set ro.board.api_level to an invalid value
+      props.put("ro.board.api_level","20")
+      self.assertFalse(validate_and_add_grf_props(props, 26))
+
+      props.get_all_props()[-1].make_as_comment()
+      # manually set ro.board.api_level to a valid value
+      props.put("ro.board.api_level","26")
+      self.assertTrue(validate_and_add_grf_props(props, 26))
+      # ro.board.api_level must be less than or equal to the sdk version
+      self.assertFalse(validate_and_add_grf_props(props, 25))
+      # ro.board.api_level must be greater than or equal to the required GRF
+      # version
+      self.assertFalse(validate_and_add_grf_props(props, 30))
+
 if __name__ == '__main__':
     unittest.main(verbosity=2)
diff --git a/tools/zipalign/ZipAlignMain.cpp b/tools/zipalign/ZipAlignMain.cpp
index 49be916..47ebd12 100644
--- a/tools/zipalign/ZipAlignMain.cpp
+++ b/tools/zipalign/ZipAlignMain.cpp
@@ -39,7 +39,7 @@
         "  <align>: alignment in bytes, e.g. '4' provides 32-bit alignment\n");
     fprintf(stderr, "  -c: check alignment only (does not modify file)\n");
     fprintf(stderr, "  -f: overwrite existing outfile.zip\n");
-    fprintf(stderr, "  -p: memory page alignment for stored shared object files\n");
+    fprintf(stderr, "  -p: page-align uncompressed .so files\n");
     fprintf(stderr, "  -v: verbose output\n");
     fprintf(stderr, "  -z: recompress using Zopfli\n");
 }