diff --git a/core/Makefile b/core/Makefile
index 3e11679..12329c1 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1102,12 +1102,10 @@
 $(INTERNAL_VENDOR_RAMDISK_TARGET): $(MKBOOTFS) $(INTERNAL_VENDOR_RAMDISK_FILES) | $(COMPRESSION_COMMAND_DEPS)
 	$(MKBOOTFS) -d $(TARGET_OUT) $(TARGET_VENDOR_RAMDISK_OUT) $(PRIVATE_ADDITIONAL_DIR) | $(COMPRESSION_COMMAND) > $@
 
-ifeq (true,$(BOARD_BUILD_VENDOR_RAMDISK_IMAGE))
 INSTALLED_VENDOR_RAMDISK_TARGET := $(PRODUCT_OUT)/vendor_ramdisk.img
 $(INSTALLED_VENDOR_RAMDISK_TARGET): $(INTERNAL_VENDOR_RAMDISK_TARGET)
-	$(call pretty,"Target vendor ramdisk: $@")
+	@echo "Target vendor ramdisk: $@"
 	$(copy-file-to-target)
-endif
 
 INSTALLED_FILES_FILE_VENDOR_RAMDISK := $(PRODUCT_OUT)/installed-files-vendor-ramdisk.txt
 INSTALLED_FILES_JSON_VENDOR_RAMDISK := $(INSTALLED_FILES_FILE_VENDOR_RAMDISK:.txt=.json)
@@ -1607,16 +1605,36 @@
 
 endif # PRODUCT_USE_DYNAMIC_PARTITIONS
 
-# $(1) the partition variable component (eg SYSTEM)
-# $(2) the partition prefix in properties (eg system)
-# $(3) the image prop file
-# $(4) optional "other" size
-define add-sparse-flags-to-image-props
-$(eval _size := $(BOARD_$(1)IMAGE_PARTITION_SIZE))
-$(eval _reserved := $(BOARD_$(1)IMAGE_PARTITION_RESERVED_SIZE))
-$(eval _headroom := $(PRODUCT_$(1)_HEADROOM))
-$(if $(or $(_size), $(_reserved), $(_headroom), $(4)),,
-    $(hide) echo "$(2)_disable_sparse=true" >> $(3))
+# $(1) the partition name (eg system)
+# $(2) the image prop file
+define add-common-flags-to-image-props
+$(eval _var := $(call to-upper,$(1)))
+$(hide) echo "$(1)_selinux_fc=$(SELINUX_FC)" >> $(2)
+$(hide) echo "building_$(1)_image=$(BUILDING_$(_var)_IMAGE)" >> $(2)
+endef
+
+# $(1) the partition name (eg system)
+# $(2) the image prop file
+define add-common-ro-flags-to-image-props
+$(eval _var := $(call to-upper,$(1)))
+$(if $(BOARD_$(_var)IMAGE_EROFS_COMPRESSOR),$(hide) echo "$(1)_erofs_compressor"$(BOARD_$(_var)IMAGE_EROFS_COMPRESSOR)" >> $(2))
+$(if $(BOARD_$(_var)IMAGE_EXTFS_INODE_COUNT),$(hide) echo "$(1)_extfs_inode_count=$(BOARD_$(_var)IMAGE_EXTFS_INODE_COUNT)" >> $(2))
+$(if $(BOARD_$(_var)IMAGE_EXTFS_RSV_PCT),$(hide) echo "$(1)_extfs_rsv_pct=$(BOARD_$(_var)IMAGE_EXTFS_RSV_PCT)" >> $(2))
+$(if $(BOARD_$(_var)IMAGE_F2FS_SLOAD_COMPRESS_FLAGS),$(hide) echo "$(1)_f2fs_sldc_flags=$(BOARD_$(_var)IMAGE_F2FS_SLOAD_COMPRESS_FLAGS)" >> $(2))
+$(if $(BOARD_$(_var)IMAGE_FILE_SYSTEM_COMPRESS),$(hide) echo "$(1)_f2fs_compress=$(BOARD_$(_var)IMAGE_FILE_SYSTEM_COMPRESS)" >> $(2))
+$(if $(BOARD_$(_var)IMAGE_FILE_SYSTEM_TYPE),$(hide) echo "$(1)_fs_type=$(BOARD_$(_var)IMAGE_FILE_SYSTEM_TYPE)" >> $(2))
+$(if $(BOARD_$(_var)IMAGE_JOURNAL_SIZE),$(hide) echo "$(1)_journal_size=$(BOARD_$(_var)IMAGE_JOURNAL_SIZE)" >> $(2))
+$(if $(BOARD_$(_var)IMAGE_PARTITION_RESERVED_SIZE),$(hide) echo "$(1)_reserved_size=$(BOARD_$(_var)IMAGE_PARTITION_RESERVED_SIZE)" >> $(2))
+$(if $(BOARD_$(_var)IMAGE_PARTITION_SIZE),$(hide) echo "$(1)_size=$(BOARD_$(_var)IMAGE_PARTITION_SIZE)" >> $(2))
+$(if $(BOARD_$(_var)IMAGE_SQUASHFS_BLOCK_SIZE),$(hide) echo "$(1)_squashfs_block_size=$(BOARD_$(_var)IMAGE_SQUASHFS_BLOCK_SIZE)" >> $(2))
+$(if $(BOARD_$(_var)IMAGE_SQUASHFS_COMPRESSOR),$(hide) echo "$(1)_squashfs_compressor=$(BOARD_$(_var)IMAGE_SQUASHFS_COMPRESSOR)" >> $(2))
+$(if $(BOARD_$(_var)IMAGE_SQUASHFS_COMPRESSOR_OPT),$(hide) echo "$(1)_squashfs_compressor_opt=$(BOARD_$(_var)IMAGE_SQUASHFS_COMPRESSOR_OPT)" >> $(2))
+$(if $(BOARD_$(_var)IMAGE_SQUASHFS_DISABLE_4K_ALIGN),$(hide) echo "$(1)_squashfs_disable_4k_align=$(BOARD_$(_var)IMAGE_SQUASHFS_DISABLE_4K_ALIGN)" >> $(2))
+$(if $(PRODUCT_$(_var)_BASE_FS_PATH),$(hide) echo "$(1)_base_fs_file=$(PRODUCT_$(_var)_BASE_FS_PATH)" >> $(2))
+$(eval _size := $(BOARD_$(_var)IMAGE_PARTITION_SIZE))
+$(eval _reserved := $(BOARD_$(_var)IMAGE_PARTITION_RESERVED_SIZE))
+$(eval _headroom := $(PRODUCT_$(_var)_HEADROOM))
+$(call add-common-flags-to-image-props,$(1),$(2))
 endef
 
 # $(1): the path of the output dictionary file
@@ -1624,24 +1642,9 @@
 # $(3): additional "key=value" pairs to append to the dictionary file.
 define generate-image-prop-dictionary
 $(if $(filter $(2),system),\
-    $(if $(BOARD_SYSTEMIMAGE_PARTITION_SIZE),$(hide) echo "system_size=$(BOARD_SYSTEMIMAGE_PARTITION_SIZE)" >> $(1))
     $(if $(INTERNAL_SYSTEM_OTHER_PARTITION_SIZE),$(hide) echo "system_other_size=$(INTERNAL_SYSTEM_OTHER_PARTITION_SIZE)" >> $(1))
-    $(if $(BOARD_SYSTEMIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "system_fs_type=$(BOARD_SYSTEMIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
-    $(if $(BOARD_SYSTEMIMAGE_FILE_SYSTEM_COMPRESS),$(hide) echo "system_f2fs_compress=$(BOARD_SYSTEMIMAGE_FILE_SYSTEM_COMPRESS)" >> $(1))
-    $(if $(BOARD_SYSTEMIMAGE_F2FS_SLOAD_COMPRESS_FLAGS),$(hide) echo "system_f2fs_sldc_flags=$(BOARD_SYSTEMIMAGE_F2FS_SLOAD_COMPRESS_FLAGS)" >> $(1))
-    $(if $(BOARD_SYSTEMIMAGE_EXTFS_INODE_COUNT),$(hide) echo "system_extfs_inode_count=$(BOARD_SYSTEMIMAGE_EXTFS_INODE_COUNT)" >> $(1))
-    $(if $(BOARD_SYSTEMIMAGE_EXTFS_RSV_PCT),$(hide) echo "system_extfs_rsv_pct=$(BOARD_SYSTEMIMAGE_EXTFS_RSV_PCT)" >> $(1))
-    $(if $(BOARD_SYSTEMIMAGE_JOURNAL_SIZE),$(hide) echo "system_journal_size=$(BOARD_SYSTEMIMAGE_JOURNAL_SIZE)" >> $(1))
-    $(if $(BOARD_SYSTEMIMAGE_SQUASHFS_COMPRESSOR),$(hide) echo "system_squashfs_compressor=$(BOARD_SYSTEMIMAGE_SQUASHFS_COMPRESSOR)" >> $(1))
-    $(if $(BOARD_SYSTEMIMAGE_SQUASHFS_COMPRESSOR_OPT),$(hide) echo "system_squashfs_compressor_opt=$(BOARD_SYSTEMIMAGE_SQUASHFS_COMPRESSOR_OPT)" >> $(1))
-    $(if $(BOARD_SYSTEMIMAGE_SQUASHFS_BLOCK_SIZE),$(hide) echo "system_squashfs_block_size=$(BOARD_SYSTEMIMAGE_SQUASHFS_BLOCK_SIZE)" >> $(1))
-    $(if $(BOARD_SYSTEMIMAGE_SQUASHFS_DISABLE_4K_ALIGN),$(hide) echo "system_squashfs_disable_4k_align=$(BOARD_SYSTEMIMAGE_SQUASHFS_DISABLE_4K_ALIGN)" >> $(1))
-    $(if $(PRODUCT_SYSTEM_BASE_FS_PATH),$(hide) echo "system_base_fs_file=$(PRODUCT_SYSTEM_BASE_FS_PATH)" >> $(1))
     $(if $(PRODUCT_SYSTEM_HEADROOM),$(hide) echo "system_headroom=$(PRODUCT_SYSTEM_HEADROOM)" >> $(1))
-    $(if $(BOARD_SYSTEMIMAGE_PARTITION_RESERVED_SIZE),$(hide) echo "system_reserved_size=$(BOARD_SYSTEMIMAGE_PARTITION_RESERVED_SIZE)" >> $(1))
-    $(call add-sparse-flags-to-image-props,SYSTEM,system,$(1))
-    $(hide) echo "system_selinux_fc=$(SELINUX_FC)" >> $(1)
-    $(hide) echo "building_system_image=$(BUILDING_SYSTEM_IMAGE)" >> $(1)
+    $(call add-common-ro-flags-to-image-props,system,$(1))
 )
 $(if $(filter $(2),system_other),\
     $(hide) echo "building_system_other_image=$(BUILDING_SYSTEM_OTHER_IMAGE)" >> $(1)
@@ -1654,122 +1657,37 @@
     $(if $(PRODUCT_FS_CASEFOLD),$(hide) echo "needs_casefold=$(PRODUCT_FS_CASEFOLD)" >> $(1))
     $(if $(PRODUCT_QUOTA_PROJID),$(hide) echo "needs_projid=$(PRODUCT_QUOTA_PROJID)" >> $(1))
     $(if $(PRODUCT_FS_COMPRESSION),$(hide) echo "needs_compress=$(PRODUCT_FS_COMPRESSION)" >> $(1))
-    $(hide) echo "userdata_selinux_fc=$(SELINUX_FC)" >> $(1)
-    $(hide) echo "building_userdata_image=$(BUILDING_USERDATA_IMAGE)" >> $(1)
+    $(call add-common-flags-to-image-props,userdata,$(1))
 )
 $(if $(filter $(2),cache),\
     $(if $(BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "cache_fs_type=$(BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
     $(if $(BOARD_CACHEIMAGE_PARTITION_SIZE),$(hide) echo "cache_size=$(BOARD_CACHEIMAGE_PARTITION_SIZE)" >> $(1))
-    $(hide) echo "cache_selinux_fc=$(SELINUX_FC)" >> $(1)
-    $(hide) echo "building_cache_image=$(BUILDING_CACHE_IMAGE)" >> $(1)
+    $(call add-common-flags-to-image-props,cache,$(1))
 )
 $(if $(filter $(2),vendor),\
-    $(if $(BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "vendor_fs_type=$(BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
-    $(if $(BOARD_VENDORIMAGE_FILE_SYSTEM_COMPRESS),$(hide) echo "vendor_f2fs_compress=$(BOARD_VENDORIMAGE_FILE_SYSTEM_COMPRESS)" >> $(1))
-    $(if $(BOARD_VENDORIMAGE_F2FS_SLOAD_COMPRESS_FLAGS),$(hide) echo "vendor_f2fs_sldc_flags=$(BOARD_VENDORIMAGE_F2FS_SLOAD_COMPRESS_FLAGS)" >> $(1))
-    $(if $(BOARD_VENDORIMAGE_EXTFS_INODE_COUNT),$(hide) echo "vendor_extfs_inode_count=$(BOARD_VENDORIMAGE_EXTFS_INODE_COUNT)" >> $(1))
-    $(if $(BOARD_VENDORIMAGE_EXTFS_RSV_PCT),$(hide) echo "vendor_extfs_rsv_pct=$(BOARD_VENDORIMAGE_EXTFS_RSV_PCT)" >> $(1))
-    $(if $(BOARD_VENDORIMAGE_PARTITION_SIZE),$(hide) echo "vendor_size=$(BOARD_VENDORIMAGE_PARTITION_SIZE)" >> $(1))
-    $(if $(BOARD_VENDORIMAGE_JOURNAL_SIZE),$(hide) echo "vendor_journal_size=$(BOARD_VENDORIMAGE_JOURNAL_SIZE)" >> $(1))
-    $(if $(BOARD_VENDORIMAGE_SQUASHFS_COMPRESSOR),$(hide) echo "vendor_squashfs_compressor=$(BOARD_VENDORIMAGE_SQUASHFS_COMPRESSOR)" >> $(1))
-    $(if $(BOARD_VENDORIMAGE_SQUASHFS_COMPRESSOR_OPT),$(hide) echo "vendor_squashfs_compressor_opt=$(BOARD_VENDORIMAGE_SQUASHFS_COMPRESSOR_OPT)" >> $(1))
-    $(if $(BOARD_VENDORIMAGE_SQUASHFS_BLOCK_SIZE),$(hide) echo "vendor_squashfs_block_size=$(BOARD_VENDORIMAGE_SQUASHFS_BLOCK_SIZE)" >> $(1))
-    $(if $(BOARD_VENDORIMAGE_SQUASHFS_DISABLE_4K_ALIGN),$(hide) echo "vendor_squashfs_disable_4k_align=$(BOARD_VENDORIMAGE_SQUASHFS_DISABLE_4K_ALIGN)" >> $(1))
-    $(if $(PRODUCT_VENDOR_BASE_FS_PATH),$(hide) echo "vendor_base_fs_file=$(PRODUCT_VENDOR_BASE_FS_PATH)" >> $(1))
-    $(if $(BOARD_VENDORIMAGE_PARTITION_RESERVED_SIZE),$(hide) echo "vendor_reserved_size=$(BOARD_VENDORIMAGE_PARTITION_RESERVED_SIZE)" >> $(1))
-    $(call add-sparse-flags-to-image-props,VENDOR,vendor,$(1))
-    $(hide) echo "vendor_selinux_fc=$(SELINUX_FC)" >> $(1)
-    $(hide) echo "building_vendor_image=$(BUILDING_VENDOR_IMAGE)" >> $(1)
+    $(call add-common-ro-flags-to-image-props,vendor,$(1))
 )
 $(if $(filter $(2),product),\
-    $(if $(BOARD_PRODUCTIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "product_fs_type=$(BOARD_PRODUCTIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
-    $(if $(BOARD_PRODUCTIMAGE_FILE_SYSTEM_COMPRESS),$(hide) echo "product_f2fs_compress=$(BOARD_PRODUCTIMAGE_FILE_SYSTEM_COMPRESS)" >> $(1))
-    $(if $(BOARD_PRODUCTIMAGE_F2FS_SLOAD_COMPRESS_FLAGS),$(hide) echo "product_f2fs_sldc_flags=$(BOARD_PRODUCTIMAGE_F2FS_SLOAD_COMPRESS_FLAGS)" >> $(1))
-    $(if $(BOARD_PRODUCTIMAGE_EXTFS_INODE_COUNT),$(hide) echo "product_extfs_inode_count=$(BOARD_PRODUCTIMAGE_EXTFS_INODE_COUNT)" >> $(1))
-    $(if $(BOARD_PRODUCTIMAGE_EXTFS_RSV_PCT),$(hide) echo "product_extfs_rsv_pct=$(BOARD_PRODUCTIMAGE_EXTFS_RSV_PCT)" >> $(1))
-    $(if $(BOARD_PRODUCTIMAGE_PARTITION_SIZE),$(hide) echo "product_size=$(BOARD_PRODUCTIMAGE_PARTITION_SIZE)" >> $(1))
-    $(if $(BOARD_PRODUCTIMAGE_JOURNAL_SIZE),$(hide) echo "product_journal_size=$(BOARD_PRODUCTIMAGE_JOURNAL_SIZE)" >> $(1))
-    $(if $(BOARD_PRODUCTIMAGE_SQUASHFS_COMPRESSOR),$(hide) echo "product_squashfs_compressor=$(BOARD_PRODUCTIMAGE_SQUASHFS_COMPRESSOR)" >> $(1))
-    $(if $(BOARD_PRODUCTIMAGE_SQUASHFS_COMPRESSOR_OPT),$(hide) echo "product_squashfs_compressor_opt=$(BOARD_PRODUCTIMAGE_SQUASHFS_COMPRESSOR_OPT)" >> $(1))
-    $(if $(BOARD_PRODUCTIMAGE_SQUASHFS_BLOCK_SIZE),$(hide) echo "product_squashfs_block_size=$(BOARD_PRODUCTIMAGE_SQUASHFS_BLOCK_SIZE)" >> $(1))
-    $(if $(BOARD_PRODUCTIMAGE_SQUASHFS_DISABLE_4K_ALIGN),$(hide) echo "product_squashfs_disable_4k_align=$(BOARD_PRODUCTIMAGE_SQUASHFS_DISABLE_4K_ALIGN)" >> $(1))
-    $(if $(PRODUCT_PRODUCT_BASE_FS_PATH),$(hide) echo "product_base_fs_file=$(PRODUCT_PRODUCT_BASE_FS_PATH)" >> $(1))
-    $(if $(BOARD_PRODUCTIMAGE_PARTITION_RESERVED_SIZE),$(hide) echo "product_reserved_size=$(BOARD_PRODUCTIMAGE_PARTITION_RESERVED_SIZE)" >> $(1))
-    $(call add-sparse-flags-to-image-props,PRODUCT,product,$(1))
-    $(hide) echo "product_selinux_fc=$(SELINUX_FC)" >> $(1)
-    $(hide) echo "building_product_image=$(BUILDING_PRODUCT_IMAGE)" >> $(1)
+    $(call add-common-ro-flags-to-image-props,product,$(1))
 )
 $(if $(filter $(2),system_ext),\
-    $(if $(BOARD_SYSTEM_EXTIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "system_ext_fs_type=$(BOARD_SYSTEM_EXTIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
-    $(if $(BOARD_SYSTEM_EXTIMAGE_FILE_SYSTEM_COMPRESS),$(hide) echo "system_ext_f2fs_compress=$(BOARD_SYSTEM_EXTIMAGE_FILE_SYSTEM_COMPRESS)" >> $(1))
-    $(if $(BOARD_SYSTEM_EXTIMAGE_F2FS_SLOAD_COMPRESS_FLAGS),$(hide) echo "system_ext_f2fs_sldc_flags=$(BOARD_SYSTEM_EXTIMAGE_F2FS_SLOAD_COMPRESS_FLAGS)" >> $(1))
-    $(if $(BOARD_SYSTEM_EXTIMAGE_EXTFS_INODE_COUNT),$(hide) echo "system_ext_extfs_inode_count=$(BOARD_SYSTEM_EXTIMAGE_EXTFS_INODE_COUNT)" >> $(1))
-    $(if $(BOARD_SYSTEM_EXTIMAGE_EXTFS_RSV_PCT),$(hide) echo "system_ext_extfs_rsv_pct=$(BOARD_SYSTEM_EXTIMAGE_EXTFS_RSV_PCT)" >> $(1))
-    $(if $(BOARD_SYSTEM_EXTIMAGE_PARTITION_SIZE),$(hide) echo "system_ext_size=$(BOARD_SYSTEM_EXTIMAGE_PARTITION_SIZE)" >> $(1))
-    $(if $(BOARD_SYSTEM_EXTIMAGE_JOURNAL_SIZE),$(hide) echo "system_ext_journal_size=$(BOARD_SYSTEM_EXTIMAGE_JOURNAL_SIZE)" >> $(1))
-    $(if $(BOARD_SYSTEM_EXTIMAGE_SQUASHFS_COMPRESSOR),$(hide) echo "system_ext_squashfs_compressor=$(BOARD_SYSTEM_EXTIMAGE_SQUASHFS_COMPRESSOR)" >> $(1))
-    $(if $(BOARD_SYSTEM_EXTIMAGE_SQUASHFS_COMPRESSOR_OPT),$(hide) echo "system_ext_squashfs_compressor_opt=$(BOARD_SYSTEM_EXTIMAGE_SQUASHFS_COMPRESSOR_OPT)" >> $(1))
-    $(if $(BOARD_SYSTEM_EXTIMAGE_SQUASHFS_BLOCK_SIZE),$(hide) echo "system_ext_squashfs_block_size=$(BOARD_SYSTEM_EXTIMAGE_SQUASHFS_BLOCK_SIZE)" >> $(1))
-    $(if $(BOARD_SYSTEM_EXTIMAGE_SQUASHFS_DISABLE_4K_ALIGN),$(hide) echo "system_ext_squashfs_disable_4k_align=$(BOARD_SYSTEM_EXTIMAGE_SQUASHFS_DISABLE_4K_ALIGN)" >> $(1))
-    $(if $(BOARD_SYSTEM_EXTIMAGE_PARTITION_RESERVED_SIZE),$(hide) echo "system_ext_reserved_size=$(BOARD_SYSTEM_EXTIMAGE_PARTITION_RESERVED_SIZE)" >> $(1))
-    $(call add-sparse-flags-to-image-props,SYSTEM_EXT,system_ext,$(1))
-    $(hide) echo "system_ext_selinux_fc=$(SELINUX_FC)" >> $(1)
-    $(hide) echo "building_system_ext_image=$(BUILDING_SYSTEM_EXT_IMAGE)" >> $(1)
+    $(call add-common-ro-flags-to-image-props,system_ext,$(1))
 )
 $(if $(filter $(2),odm),\
-    $(if $(BOARD_ODMIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "odm_fs_type=$(BOARD_ODMIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
-    $(if $(BOARD_ODMIMAGE_EXTFS_INODE_COUNT),$(hide) echo "odm_extfs_inode_count=$(BOARD_ODMIMAGE_EXTFS_INODE_COUNT)" >> $(1))
-    $(if $(BOARD_ODMIMAGE_EXTFS_RSV_PCT),$(hide) echo "odm_extfs_rsv_pct=$(BOARD_ODMIMAGE_EXTFS_RSV_PCT)" >> $(1))
-    $(if $(BOARD_ODMIMAGE_PARTITION_SIZE),$(hide) echo "odm_size=$(BOARD_ODMIMAGE_PARTITION_SIZE)" >> $(1))
-    $(if $(BOARD_ODMIMAGE_JOURNAL_SIZE),$(hide) echo "odm_journal_size=$(BOARD_ODMIMAGE_JOURNAL_SIZE)" >> $(1))
-    $(if $(BOARD_ODMIMAGE_SQUASHFS_COMPRESSOR),$(hide) echo "odm_squashfs_compressor=$(BOARD_ODMIMAGE_SQUASHFS_COMPRESSOR)" >> $(1))
-    $(if $(BOARD_ODMIMAGE_SQUASHFS_COMPRESSOR_OPT),$(hide) echo "odm_squashfs_compressor_opt=$(BOARD_ODMIMAGE_SQUASHFS_COMPRESSOR_OPT)" >> $(1))
-    $(if $(BOARD_ODMIMAGE_SQUASHFS_BLOCK_SIZE),$(hide) echo "odm_squashfs_block_size=$(BOARD_ODMIMAGE_SQUASHFS_BLOCK_SIZE)" >> $(1))
-    $(if $(BOARD_ODMIMAGE_SQUASHFS_DISABLE_4K_ALIGN),$(hide) echo "odm_squashfs_disable_4k_align=$(BOARD_ODMIMAGE_SQUASHFS_DISABLE_4K_ALIGN)" >> $(1))
-    $(if $(PRODUCT_ODM_BASE_FS_PATH),$(hide) echo "odm_base_fs_file=$(PRODUCT_ODM_BASE_FS_PATH)" >> $(1))
-    $(if $(BOARD_ODMIMAGE_PARTITION_RESERVED_SIZE),$(hide) echo "odm_reserved_size=$(BOARD_ODMIMAGE_PARTITION_RESERVED_SIZE)" >> $(1))
-    $(call add-sparse-flags-to-image-props,ODM,odm,$(1))
-    $(hide) echo "odm_selinux_fc=$(SELINUX_FC)" >> $(1)
-    $(hide) echo "building_odm_image=$(BUILDING_ODM_IMAGE)" >> $(1)
+    $(call add-common-ro-flags-to-image-props,odm,$(1))
 )
 $(if $(filter $(2),vendor_dlkm),\
-    $(if $(BOARD_VENDOR_DLKMIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "vendor_dlkm_fs_type=$(BOARD_VENDOR_DLKMIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
-    $(if $(BOARD_VENDOR_DLKMIMAGE_FILE_SYSTEM_COMPRESS),$(hide) echo "vendor_dlkm_f2fs_compress=$(BOARD_VENDOR_DLKMIMAGE_FILE_SYSTEM_COMPRESS)" >> $(1))
-    $(if $(BOARD_VENDOR_DLKMIMAGE_F2FS_SLOAD_COMPRESS_FLAGS),$(hide) echo "vendor_dlkm_f2fs_sldc_flags=$(BOARD_VENDOR_DLKMIMAGE_F2FS_SLOAD_COMPRESS_FLAGS)" >> $(1))
-    $(if $(BOARD_VENDOR_DLKMIMAGE_EXTFS_INODE_COUNT),$(hide) echo "vendor_dlkm_extfs_inode_count=$(BOARD_VENDOR_DLKMIMAGE_EXTFS_INODE_COUNT)" >> $(1))
-    $(if $(BOARD_VENDOR_DLKMIMAGE_EXTFS_RSV_PCT),$(hide) echo "vendor_dlkm_extfs_rsv_pct=$(BOARD_VENDOR_DLKMIMAGE_EXTFS_RSV_PCT)" >> $(1))
-    $(if $(BOARD_VENDOR_DLKMIMAGE_PARTITION_SIZE),$(hide) echo "vendor_dlkm_size=$(BOARD_VENDOR_DLKMIMAGE_PARTITION_SIZE)" >> $(1))
-    $(if $(BOARD_VENDOR_DLKMIMAGE_JOURNAL_SIZE),$(hide) echo "vendor_dlkm_journal_size=$(BOARD_VENDOR_DLKMIMAGE_JOURNAL_SIZE)" >> $(1))
-    $(if $(BOARD_VENDOR_DLKMIMAGE_SQUASHFS_COMPRESSOR),$(hide) echo "vendor_dlkm_squashfs_compressor=$(BOARD_VENDOR_DLKMIMAGE_SQUASHFS_COMPRESSOR)" >> $(1))
-    $(if $(BOARD_VENDOR_DLKMIMAGE_SQUASHFS_COMPRESSOR_OPT),$(hide) echo "vendor_dlkm_squashfs_compressor_opt=$(BOARD_VENDOR_DLKMIMAGE_SQUASHFS_COMPRESSOR_OPT)" >> $(1))
-    $(if $(BOARD_VENDOR_DLKMIMAGE_SQUASHFS_BLOCK_SIZE),$(hide) echo "vendor_dlkm_squashfs_block_size=$(BOARD_VENDOR_DLKMIMAGE_SQUASHFS_BLOCK_SIZE)" >> $(1))
-    $(if $(BOARD_VENDOR_DLKMIMAGE_SQUASHFS_DISABLE_4K_ALIGN),$(hide) echo "vendor_dlkm_squashfs_disable_4k_align=$(BOARD_VENDOR_DLKMIMAGE_SQUASHFS_DISABLE_4K_ALIGN)" >> $(1))
-    $(if $(BOARD_VENDOR_DLKMIMAGE_PARTITION_RESERVED_SIZE),$(hide) echo "vendor_dlkm_reserved_size=$(BOARD_VENDOR_DLKMIMAGE_PARTITION_RESERVED_SIZE)" >> $(1))
-    $(call add-sparse-flags-to-image-props,VENDOR_DLKM,vendor_dlkm,$(1))
-    $(hide) echo "vendor_dlkm_selinux_fc=$(SELINUX_FC)" >> $(1)
-    $(hide) echo "building_vendor_dlkm_image=$(BUILDING_VENDOR_DLKM_IMAGE)" >> $(1)
+    $(call add-common-ro-flags-to-image-props,vendor_dlkm,$(1))
 )
 $(if $(filter $(2),odm_dlkm),\
-    $(if $(BOARD_ODM_DLKMIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "odm_dlkm_fs_type=$(BOARD_ODM_DLKMIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
-    $(if $(BOARD_ODM_DLKMIMAGE_EXTFS_INODE_COUNT),$(hide) echo "odm_dlkm_extfs_inode_count=$(BOARD_ODM_DLKMIMAGE_EXTFS_INODE_COUNT)" >> $(1))
-    $(if $(BOARD_ODM_DLKMIMAGE_EXTFS_RSV_PCT),$(hide) echo "odm_dlkm_extfs_rsv_pct=$(BOARD_ODM_DLKMIMAGE_EXTFS_RSV_PCT)" >> $(1))
-    $(if $(BOARD_ODM_DLKMIMAGE_PARTITION_SIZE),$(hide) echo "odm_dlkm_size=$(BOARD_ODM_DLKMIMAGE_PARTITION_SIZE)" >> $(1))
-    $(if $(BOARD_ODM_DLKMIMAGE_JOURNAL_SIZE),$(hide) echo "odm_dlkm_journal_size=$(BOARD_ODM_DLKMIMAGE_JOURNAL_SIZE)" >> $(1))
-    $(if $(BOARD_ODM_DLKMIMAGE_SQUASHFS_COMPRESSOR),$(hide) echo "odm_dlkm_squashfs_compressor=$(BOARD_ODM_DLKMIMAGE_SQUASHFS_COMPRESSOR)" >> $(1))
-    $(if $(BOARD_ODM_DLKMIMAGE_SQUASHFS_COMPRESSOR_OPT),$(hide) echo "odm_dlkm_squashfs_compressor_opt=$(BOARD_ODM_DLKMIMAGE_SQUASHFS_COMPRESSOR_OPT)" >> $(1))
-    $(if $(BOARD_ODM_DLKMIMAGE_SQUASHFS_BLOCK_SIZE),$(hide) echo "odm_dlkm_squashfs_block_size=$(BOARD_ODM_DLKMIMAGE_SQUASHFS_BLOCK_SIZE)" >> $(1))
-    $(if $(BOARD_ODM_DLKMIMAGE_SQUASHFS_DISABLE_4K_ALIGN),$(hide) echo "odm_dlkm_squashfs_disable_4k_align=$(BOARD_ODM_DLKMIMAGE_SQUASHFS_DISABLE_4K_ALIGN)" >> $(1))
-    $(if $(BOARD_ODM_DLKMIMAGE_PARTITION_RESERVED_SIZE),$(hide) echo "odm_dlkm_reserved_size=$(BOARD_ODM_DLKMIMAGE_PARTITION_RESERVED_SIZE)" >> $(1))
-    $(call add-sparse-flags-to-image-props,ODM_DLKM,odm_dlkm,$(1))
-    $(hide) echo "odm_dlkm_selinux_fc=$(SELINUX_FC)" >> $(1)
-    $(hide) echo "building_odm_dlkm_image=$(BUILDING_ODM_DLKM_IMAGE)" >> $(1)
+    $(call add-common-ro-flags-to-image-props,odm_dlkm,$(1))
 )
 $(if $(filter $(2),oem),\
     $(if $(BOARD_OEMIMAGE_PARTITION_SIZE),$(hide) echo "oem_size=$(BOARD_OEMIMAGE_PARTITION_SIZE)" >> $(1))
     $(if $(BOARD_OEMIMAGE_JOURNAL_SIZE),$(hide) echo "oem_journal_size=$(BOARD_OEMIMAGE_JOURNAL_SIZE)" >> $(1))
     $(if $(BOARD_OEMIMAGE_EXTFS_INODE_COUNT),$(hide) echo "oem_extfs_inode_count=$(BOARD_OEMIMAGE_EXTFS_INODE_COUNT)" >> $(1))
     $(if $(BOARD_OEMIMAGE_EXTFS_RSV_PCT),$(hide) echo "oem_extfs_rsv_pct=$(BOARD_OEMIMAGE_EXTFS_RSV_PCT)" >> $(1))
-    $(hide) echo "oem_selinux_fc=$(SELINUX_FC)" >> $(1)
+    $(call add-common-flags-to-image-props,oem,$(1))
 )
 $(hide) echo "ext_mkuserimg=$(notdir $(MKEXTUSERIMG))" >> $(1)
 
@@ -1778,6 +1696,7 @@
 $(if $(INTERNAL_USERIMAGES_SPARSE_EROFS_FLAG),$(hide) echo "erofs_sparse_flag=$(INTERNAL_USERIMAGES_SPARSE_EROFS_FLAG)" >> $(1))
 $(if $(INTERNAL_USERIMAGES_SPARSE_SQUASHFS_FLAG),$(hide) echo "squashfs_sparse_flag=$(INTERNAL_USERIMAGES_SPARSE_SQUASHFS_FLAG)" >> $(1))
 $(if $(INTERNAL_USERIMAGES_SPARSE_F2FS_FLAG),$(hide) echo "f2fs_sparse_flag=$(INTERNAL_USERIMAGES_SPARSE_F2FS_FLAG)" >> $(1))
+$(if $(BOARD_EROFS_COMPRESSOR),$(hide) echo "erofs_default_compressor=$(BOARD_EROFS_COMPRESSOR)" >> $(1))
 $(if $(BOARD_EXT4_SHARE_DUP_BLOCKS),$(hide) echo "ext4_share_dup_blocks=$(BOARD_EXT4_SHARE_DUP_BLOCKS)" >> $(1))
 $(if $(BOARD_FLASH_LOGICAL_BLOCK_SIZE), $(hide) echo "flash_logical_block_size=$(BOARD_FLASH_LOGICAL_BLOCK_SIZE)" >> $(1))
 $(if $(BOARD_FLASH_ERASE_BLOCK_SIZE), $(hide) echo "flash_erase_block_size=$(BOARD_FLASH_ERASE_BLOCK_SIZE)" >> $(1))
@@ -2365,92 +2284,81 @@
 $(error MTD device is no longer supported and thus BOARD_NAND_SPARE_SIZE is deprecated.)
 endif
 
-ifneq ($(BOARD_BUILD_SYSTEM_ROOT_IMAGE),true)
+
+# -----------------------------------------------------------------
+# Build debug ramdisk and debug boot image.
+ifneq ($(BUILDING_DEBUG_BOOT_IMAGE)$(BUILDING_DEBUG_VENDOR_BOOT_IMAGE),)
+
+# ramdisk-debug.img will merge the content from either ramdisk.img or
+# ramdisk-recovery.img, depending on whether BOARD_USES_RECOVERY_AS_BOOT
+# is set or not.
+# INTERNAL_DEBUG_RAMDISK_ADDITIONAL_DEP would ensure INTERNAL_DEBUG_RAMDISK_ADDITIONAL_DIR is created.
+ifeq ($(BOARD_USES_RECOVERY_AS_BOOT),true)
+  INTERNAL_DEBUG_RAMDISK_ADDITIONAL_DIR := $(TARGET_RECOVERY_ROOT_OUT)
+  INTERNAL_DEBUG_RAMDISK_ADDITIONAL_DEP := $(recovery_ramdisk)
+else  # BOARD_USES_RECOVERY_AS_BOOT == true
+  INTERNAL_DEBUG_RAMDISK_ADDITIONAL_DIR := $(TARGET_RAMDISK_OUT)
+  INTERNAL_DEBUG_RAMDISK_ADDITIONAL_DEP := $(INSTALLED_RAMDISK_TARGET)
+endif # BOARD_USES_RECOVERY_AS_BOOT != true
+
 # -----------------------------------------------------------------
 # the debug ramdisk, which is the original ramdisk plus additional
 # files: force_debuggable, adb_debug.prop and userdebug sepolicy.
 # When /force_debuggable is present, /init will load userdebug sepolicy
 # and property files to allow adb root, if the device is unlocked.
-
-ifdef BUILDING_RAMDISK_IMAGE
-BUILT_DEBUG_RAMDISK_TARGET := $(PRODUCT_OUT)/ramdisk-debug.img
-INSTALLED_DEBUG_RAMDISK_TARGET := $(BUILT_DEBUG_RAMDISK_TARGET)
+INSTALLED_DEBUG_RAMDISK_TARGET := $(PRODUCT_OUT)/ramdisk-debug.img
 
 INTERNAL_DEBUG_RAMDISK_FILES := $(filter $(TARGET_DEBUG_RAMDISK_OUT)/%, \
     $(ALL_GENERATED_SOURCES) \
     $(ALL_DEFAULT_INSTALLED_MODULES))
 
+# INSTALLED_FILES_FILE_DEBUG_RAMDISK would ensure TARGET_DEBUG_RAMDISK_OUT is created.
 INSTALLED_FILES_FILE_DEBUG_RAMDISK := $(PRODUCT_OUT)/installed-files-ramdisk-debug.txt
 INSTALLED_FILES_JSON_DEBUG_RAMDISK := $(INSTALLED_FILES_FILE_DEBUG_RAMDISK:.txt=.json)
 $(INSTALLED_FILES_FILE_DEBUG_RAMDISK): .KATI_IMPLICIT_OUTPUTS := $(INSTALLED_FILES_JSON_DEBUG_RAMDISK)
-
-# ramdisk-debug.img will merge the content from either ramdisk.img or
-# ramdisk-recovery.img, depending on whether BOARD_USES_RECOVERY_AS_BOOT
-# is set or not.
-ifeq ($(BOARD_USES_RECOVERY_AS_BOOT),true)
-  $(INSTALLED_FILES_FILE_DEBUG_RAMDISK): PRIVATE_ADDITIONAL_DIR := $(TARGET_RECOVERY_ROOT_OUT)
-  $(INSTALLED_FILES_FILE_DEBUG_RAMDISK): $(recovery_ramdisk)
-else
-  $(INSTALLED_FILES_FILE_DEBUG_RAMDISK): PRIVATE_ADDITIONAL_DIR := $(TARGET_RAMDISK_OUT)
-  $(INSTALLED_FILES_FILE_DEBUG_RAMDISK): $(INSTALLED_RAMDISK_TARGET)
-endif # BOARD_USES_RECOVERY_AS_BOOT
-
+$(INSTALLED_FILES_FILE_DEBUG_RAMDISK): $(INTERNAL_DEBUG_RAMDISK_ADDITIONAL_DEP)
 $(INSTALLED_FILES_FILE_DEBUG_RAMDISK) : $(INTERNAL_DEBUG_RAMDISK_FILES) $(FILESLIST) $(FILESLIST_UTIL)
 	@echo Installed file list: $@
 	mkdir -p $(dir $@)
 	rm -f $@
-	$(FILESLIST) $(TARGET_DEBUG_RAMDISK_OUT) $(PRIVATE_ADDITIONAL_DIR) > $(@:.txt=.json)
+	$(FILESLIST) $(TARGET_DEBUG_RAMDISK_OUT) $(INTERNAL_DEBUG_RAMDISK_ADDITIONAL_DIR) > $(@:.txt=.json)
 	$(FILESLIST_UTIL) -c $(@:.txt=.json) > $@
 
-ifeq ($(BOARD_USES_RECOVERY_AS_BOOT),true)
-  $(INSTALLED_DEBUG_RAMDISK_TARGET): PRIVATE_ADDITIONAL_DIR := $(TARGET_RECOVERY_ROOT_OUT)
-  $(INSTALLED_DEBUG_RAMDISK_TARGET): $(recovery_ramdisk)
-else
-  $(INSTALLED_DEBUG_RAMDISK_TARGET): PRIVATE_ADDITIONAL_DIR := $(TARGET_RAMDISK_OUT)
-  $(INSTALLED_DEBUG_RAMDISK_TARGET): $(INSTALLED_RAMDISK_TARGET)
-endif # BOARD_USES_RECOVERY_AS_BOOT
-
 $(INSTALLED_DEBUG_RAMDISK_TARGET): $(INSTALLED_FILES_FILE_DEBUG_RAMDISK)
+$(INSTALLED_DEBUG_RAMDISK_TARGET): $(INTERNAL_DEBUG_RAMDISK_ADDITIONAL_DEP)
 $(INSTALLED_DEBUG_RAMDISK_TARGET): $(MKBOOTFS) $(INTERNAL_DEBUG_RAMDISK_FILES) | $(COMPRESSION_COMMAND_DEPS)
 	$(call pretty,"Target debug ramdisk: $@")
 	mkdir -p $(TARGET_DEBUG_RAMDISK_OUT)
 	touch $(TARGET_DEBUG_RAMDISK_OUT)/force_debuggable
-	$(MKBOOTFS) -d $(TARGET_OUT) $(TARGET_DEBUG_RAMDISK_OUT) $(PRIVATE_ADDITIONAL_DIR) | $(COMPRESSION_COMMAND) > $@
+	$(MKBOOTFS) -d $(TARGET_OUT) $(TARGET_DEBUG_RAMDISK_OUT) $(INTERNAL_DEBUG_RAMDISK_ADDITIONAL_DIR) | $(COMPRESSION_COMMAND) > $@
 
 .PHONY: ramdisk_debug-nodeps
-ifeq ($(BOARD_USES_RECOVERY_AS_BOOT),true)
-  ramdisk_debug-nodeps: PRIVATE_ADDITIONAL_DIR := $(TARGET_RECOVERY_ROOT_OUT)
-else
-  ramdisk_debug-nodeps: PRIVATE_ADDITIONAL_DIR := $(TARGET_RAMDISK_OUT)
-endif # BOARD_USES_RECOVERY_AS_BOOT
 ramdisk_debug-nodeps: $(MKBOOTFS) | $(COMPRESSION_COMMAND_DEPS)
 	echo "make $@: ignoring dependencies"
-	mkdir -p $(TARGET_DEBUG_RAMDISK_OUT)
+	mkdir -p $(TARGET_DEBUG_RAMDISK_OUT) $(INTERNAL_DEBUG_RAMDISK_ADDITIONAL_DIR)
 	touch $(TARGET_DEBUG_RAMDISK_OUT)/force_debuggable
-	$(MKBOOTFS) -d $(TARGET_OUT) $(TARGET_DEBUG_RAMDISK_OUT) $(PRIVATE_ADDITIONAL_DIR) | $(COMPRESSION_COMMAND) > $(INSTALLED_DEBUG_RAMDISK_TARGET)
-
-endif # BUILDING_RAMDISK_IMAGE
+	$(MKBOOTFS) -d $(TARGET_OUT) $(TARGET_DEBUG_RAMDISK_OUT) $(INTERNAL_DEBUG_RAMDISK_ADDITIONAL_DIR) | $(COMPRESSION_COMMAND) > $(INSTALLED_DEBUG_RAMDISK_TARGET)
 
 # -----------------------------------------------------------------
 # the boot-debug.img, which is the kernel plus ramdisk-debug.img
 #
 # Note: it's intentional to skip signing for boot-debug.img, because it
 # can only be used if the device is unlocked with verification error.
-ifneq ($(BUILDING_VENDOR_BOOT_IMAGE),true)
-ifneq ($(INSTALLED_BOOTIMAGE_TARGET),)
-ifneq ($(strip $(TARGET_NO_KERNEL)),true)
+ifdef BUILDING_DEBUG_BOOT_IMAGE
+
 ifneq ($(strip $(BOARD_KERNEL_BINARIES)),)
-  INSTALLED_DEBUG_BOOTIMAGE_TARGET := $(foreach k,$(subst kernel,boot-debug,$(BOARD_KERNEL_BINARIES)), \
+  INSTALLED_DEBUG_BOOTIMAGE_TARGET := $(foreach k,$(subst kernel,$(DEBUG_RAMDISK_BOOT_IMAGE_NAME),$(BOARD_KERNEL_BINARIES)), \
          $(PRODUCT_OUT)/$(k).img)
 else
-  INSTALLED_DEBUG_BOOTIMAGE_TARGET := $(PRODUCT_OUT)/boot-debug.img
+  INSTALLED_DEBUG_BOOTIMAGE_TARGET := $(PRODUCT_OUT)/$(DEBUG_RAMDISK_BOOT_IMAGE_NAME).img
 endif
 
 # Replace ramdisk.img in $(MKBOOTIMG) ARGS with ramdisk-debug.img to build boot-debug.img
+$(INSTALLED_DEBUG_BOOTIMAGE_TARGET): $(INSTALLED_DEBUG_RAMDISK_TARGET)
 ifeq ($(BOARD_USES_RECOVERY_AS_BOOT),true)
-  INTERNAL_DEBUG_BOOTIMAGE_ARGS := $(subst $(recovery_ramdisk),$(INSTALLED_DEBUG_RAMDISK_TARGET), $(INTERNAL_RECOVERYIMAGE_ARGS))
+  INTERNAL_DEBUG_BOOTIMAGE_ARGS := $(subst $(INTERNAL_DEBUG_RAMDISK_ADDITIONAL_DEP),$(INSTALLED_DEBUG_RAMDISK_TARGET),$(INTERNAL_RECOVERYIMAGE_ARGS))
 else
-  INTERNAL_DEBUG_BOOTIMAGE_ARGS := $(subst $(INSTALLED_RAMDISK_TARGET),$(INSTALLED_DEBUG_RAMDISK_TARGET), $(INTERNAL_BOOTIMAGE_ARGS))
+  INTERNAL_DEBUG_BOOTIMAGE_ARGS := $(subst $(INTERNAL_DEBUG_RAMDISK_ADDITIONAL_DEP),$(INSTALLED_DEBUG_RAMDISK_TARGET),$(INTERNAL_BOOTIMAGE_ARGS))
 endif
 
 # If boot.img is chained but boot-debug.img is not signed, libavb in bootloader
@@ -2477,14 +2385,14 @@
 
 # $(1): output file
 define build-debug-bootimage-target
-  $(MKBOOTIMG) --kernel $(PRODUCT_OUT)/$(subst .img,,$(subst boot-debug,kernel,$(notdir $(1)))) \
+  $(MKBOOTIMG) --kernel $(PRODUCT_OUT)/$(subst .img,,$(subst $(DEBUG_RAMDISK_BOOT_IMAGE_NAME),kernel,$(notdir $(1)))) \
     $(INTERNAL_DEBUG_BOOTIMAGE_ARGS) $(INTERNAL_MKBOOTIMG_VERSION_ARGS) \
     $(INTERNAL_MKBOOTIMG_GKI_SINGING_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $1
-  $(if $(BOARD_AVB_BOOT_KEY_PATH),$(call test-key-sign-bootimage,$1,boot-debug))
+  $(if $(BOARD_AVB_BOOT_KEY_PATH),$(call test-key-sign-bootimage,$1,$(DEBUG_RAMDISK_BOOT_IMAGE_NAME)))
 endef
 
 # Depends on original boot.img and ramdisk-debug.img, to build the new boot-debug.img
-$(INSTALLED_DEBUG_BOOTIMAGE_TARGET): $(MKBOOTIMG) $(INSTALLED_BOOTIMAGE_TARGET) $(INSTALLED_DEBUG_RAMDISK_TARGET) $(BOARD_GKI_SIGNING_KEY_PATH) $(AVBTOOL)
+$(INSTALLED_DEBUG_BOOTIMAGE_TARGET): $(MKBOOTIMG) $(INSTALLED_BOOTIMAGE_TARGET) $(BOARD_GKI_SIGNING_KEY_PATH) $(AVBTOOL)
 	$(call pretty,"Target boot debug image: $@")
 	$(call build-debug-bootimage-target, $@)
 
@@ -2493,16 +2401,13 @@
 	echo "make $@: ignoring dependencies"
 	$(foreach b,$(INSTALLED_DEBUG_BOOTIMAGE_TARGET),$(call build-debug-bootimage-target,$b))
 
-endif # TARGET_NO_KERNEL
-endif # INSTALLED_BOOTIMAGE_TARGET
-endif # BUILDING_VENDOR_BOOT_IMAGE is not true
+endif # BUILDING_DEBUG_BOOT_IMAGE
 
-ifeq ($(BUILDING_VENDOR_BOOT_IMAGE),true)
-ifeq ($(BUILDING_RAMDISK_IMAGE),true)
 # -----------------------------------------------------------------
 # vendor debug ramdisk
 # Combines vendor ramdisk files and debug ramdisk files to build the vendor debug ramdisk.
-#
+ifdef BUILDING_DEBUG_VENDOR_BOOT_IMAGE
+
 INTERNAL_VENDOR_DEBUG_RAMDISK_FILES := $(filter $(TARGET_VENDOR_DEBUG_RAMDISK_OUT)/%, \
     $(ALL_GENERATED_SOURCES) \
     $(ALL_DEFAULT_INSTALLED_MODULES))
@@ -2537,12 +2442,10 @@
 	mkdir -p $(TARGET_VENDOR_DEBUG_RAMDISK_OUT)
 	$(MKBOOTFS) -d $(TARGET_OUT) $(TARGET_VENDOR_RAMDISK_OUT) $(TARGET_DEBUG_RAMDISK_OUT) $(TARGET_VENDOR_DEBUG_RAMDISK_OUT) $(PRIVATE_ADDITIONAL_DIR) | $(COMPRESSION_COMMAND) > $@
 
-ifeq (true,$(BOARD_BUILD_VENDOR_RAMDISK_IMAGE))
 INSTALLED_VENDOR_DEBUG_RAMDISK_TARGET := $(PRODUCT_OUT)/vendor_ramdisk-debug.img
 $(INSTALLED_VENDOR_DEBUG_RAMDISK_TARGET): $(INTERNAL_VENDOR_DEBUG_RAMDISK_TARGET)
-	$(call pretty,"Target vendor debug ramdisk: $@")
+	@echo "Target debug vendor ramdisk: $@"
 	$(copy-file-to-target)
-endif
 
 # -----------------------------------------------------------------
 # vendor_boot-debug.img.
@@ -2574,16 +2477,12 @@
 	$(call assert-max-image-size,$@,$(BOARD_VENDOR_BOOTIMAGE_PARTITION_SIZE))
 	$(if $(BOARD_AVB_VENDOR_BOOT_KEY_PATH),$(call test-key-sign-vendor-bootimage,$@))
 
-endif # BUILDING_RAMDISK_IMAGE
-endif # BUILDING_VENDOR_BOOT_IMAGE
+endif # BUILDING_DEBUG_VENDOR_BOOT_IMAGE
 
 # -----------------------------------------------------------------
 # The test harness ramdisk, which is based off debug_ramdisk, plus a
 # few additional test-harness-specific properties in adb_debug.prop.
-
-ifdef BUILDING_RAMDISK_IMAGE
-BUILT_TEST_HARNESS_RAMDISK_TARGET := $(PRODUCT_OUT)/ramdisk-test-harness.img
-INSTALLED_TEST_HARNESS_RAMDISK_TARGET := $(BUILT_TEST_HARNESS_RAMDISK_TARGET)
+INSTALLED_TEST_HARNESS_RAMDISK_TARGET := $(PRODUCT_OUT)/ramdisk-test-harness.img
 
 # Appends a few test harness specific properties into the adb_debug.prop.
 TEST_HARNESS_PROP_TARGET := $(TARGET_TEST_HARNESS_RAMDISK_OUT)/adb_debug.prop
@@ -2603,47 +2502,29 @@
     $(ALL_GENERATED_SOURCES) \
     $(ALL_DEFAULT_INSTALLED_MODULES))
 
-# ramdisk-test-harness.img will merge the content from either ramdisk.img or
-# ramdisk-recovery.img, depending on whether BOARD_USES_RECOVERY_AS_BOOT is set
-# or not.
-ifeq ($(BOARD_USES_RECOVERY_AS_BOOT),true)
-  $(INSTALLED_TEST_HARNESS_RAMDISK_TARGET): PRIVATE_ADDITIONAL_DIR := $(TARGET_RECOVERY_ROOT_OUT)
-  $(INSTALLED_TEST_HARNESS_RAMDISK_TARGET): $(recovery_ramdisk)
-else
-  $(INSTALLED_TEST_HARNESS_RAMDISK_TARGET): PRIVATE_ADDITIONAL_DIR := $(TARGET_RAMDISK_OUT)
-  $(INSTALLED_TEST_HARNESS_RAMDISK_TARGET): $(INSTALLED_RAMDISK_TARGET)
-endif # BOARD_USES_RECOVERY_AS_BOOT
-
 # The test harness ramdisk will rsync the files from the debug ramdisk, then appends some props.
 $(INSTALLED_TEST_HARNESS_RAMDISK_TARGET): $(INSTALLED_DEBUG_RAMDISK_TARGET)
+$(INSTALLED_TEST_HARNESS_RAMDISK_TARGET): $(INTERNAL_DEBUG_RAMDISK_ADDITIONAL_DEP)
 $(INSTALLED_TEST_HARNESS_RAMDISK_TARGET): $(MKBOOTFS) $(INTERNAL_TEST_HARNESS_RAMDISK_FILES) | $(COMPRESSION_COMMAND_DEPS)
 	$(call pretty,"Target test harness ramdisk: $@")
 	rsync --chmod=u+w -a $(TARGET_DEBUG_RAMDISK_OUT)/ $(TARGET_TEST_HARNESS_RAMDISK_OUT)
 	$(call append-test-harness-props,$(ADDITIONAL_TEST_HARNESS_PROPERTIES),$(TEST_HARNESS_PROP_TARGET))
-	$(MKBOOTFS) -d $(TARGET_OUT) $(TARGET_TEST_HARNESS_RAMDISK_OUT) $(PRIVATE_ADDITIONAL_DIR) | $(COMPRESSION_COMMAND) > $@
+	$(MKBOOTFS) -d $(TARGET_OUT) $(TARGET_TEST_HARNESS_RAMDISK_OUT) $(INTERNAL_DEBUG_RAMDISK_ADDITIONAL_DIR) | $(COMPRESSION_COMMAND) > $@
 
 .PHONY: ramdisk_test_harness-nodeps
-ifeq ($(BOARD_USES_RECOVERY_AS_BOOT),true)
-  ramdisk_test_harness-nodeps: PRIVATE_ADDITIONAL_DIR := $(TARGET_RECOVERY_ROOT_OUT)
-else
-  ramdisk_test_harness-nodeps: PRIVATE_ADDITIONAL_DIR := $(TARGET_RAMDISK_OUT)
-endif # BOARD_USES_RECOVERY_AS_BOOT
 ramdisk_test_harness-nodeps: $(MKBOOTFS) | $(COMPRESSION_COMMAND_DEPS)
 	echo "make $@: ignoring dependencies"
 	rsync --chmod=u+w -a $(TARGET_DEBUG_RAMDISK_OUT)/ $(TARGET_TEST_HARNESS_RAMDISK_OUT)
 	$(call append-test-harness-props,$(ADDITIONAL_TEST_HARNESS_PROPERTIES),$(TEST_HARNESS_PROP_TARGET))
-	$(MKBOOTFS) -d $(TARGET_OUT) $(TARGET_TEST_HARNESS_RAMDISK_OUT) $(PRIVATE_ADDITIONAL_DIR) | $(COMPRESSION_COMMAND) > $(INSTALLED_TEST_HARNESS_RAMDISK_TARGET)
-
-endif # BUILDING_RAMDISK_IMAGE
+	mkdir -p $(INTERNAL_DEBUG_RAMDISK_ADDITIONAL_DIR)
+	$(MKBOOTFS) -d $(TARGET_OUT) $(TARGET_TEST_HARNESS_RAMDISK_OUT) $(INTERNAL_DEBUG_RAMDISK_ADDITIONAL_DIR) | $(COMPRESSION_COMMAND) > $(INSTALLED_TEST_HARNESS_RAMDISK_TARGET)
 
 # -----------------------------------------------------------------
 # the boot-test-harness.img, which is the kernel plus ramdisk-test-harness.img
 #
 # 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 ($(BUILDING_VENDOR_BOOT_IMAGE),true)
-ifneq ($(INSTALLED_BOOTIMAGE_TARGET),)
-ifneq ($(strip $(TARGET_NO_KERNEL)),true)
+ifdef BUILDING_DEBUG_BOOT_IMAGE
 
 ifneq ($(strip $(BOARD_KERNEL_BINARIES)),)
   INSTALLED_TEST_HARNESS_BOOTIMAGE_TARGET := $(foreach k,$(subst kernel,boot-test-harness,$(BOARD_KERNEL_BINARIES)), \
@@ -2682,16 +2563,12 @@
 	echo "make $@: ignoring dependencies"
 	$(foreach b,$(INSTALLED_TEST_HARNESS_BOOTIMAGE_TARGET),$(call build-boot-test-harness-target,$b))
 
-endif # TARGET_NO_KERNEL
-endif # INSTALLED_BOOTIMAGE_TARGET
-endif # BUILDING_VENDOR_BOOT_IMAGE is not true
-endif # BOARD_BUILD_SYSTEM_ROOT_IMAGE is not true
+endif # BUILDING_DEBUG_BOOT_IMAGE
 
-ifeq ($(BUILDING_VENDOR_BOOT_IMAGE),true)
-ifeq ($(BUILDING_RAMDISK_IMAGE),true)
 # -----------------------------------------------------------------
 # vendor test harness ramdisk, which is a vendor ramdisk combined with
 # a test harness ramdisk.
+ifdef BUILDING_DEBUG_VENDOR_BOOT_IMAGE
 
 INTERNAL_VENDOR_TEST_HARNESS_RAMDISK_TARGET := $(call intermediates-dir-for,PACKAGING,vendor_boot-test-harness)/vendor_ramdisk-test-harness.cpio$(RAMDISK_EXT)
 
@@ -2709,6 +2586,11 @@
 $(INTERNAL_VENDOR_TEST_HARNESS_RAMDISK_TARGET): $(MKBOOTFS) | $(COMPRESSION_COMMAND_DEPS)
 	$(MKBOOTFS) -d $(TARGET_OUT) $(TARGET_VENDOR_RAMDISK_OUT) $(TARGET_TEST_HARNESS_RAMDISK_OUT) $(PRIVATE_ADDITIONAL_DIR) | $(COMPRESSION_COMMAND) > $@
 
+INSTALLED_VENDOR_TEST_HARNESS_RAMDISK_TARGET := $(PRODUCT_OUT)/vendor_ramdisk-test-harness.img
+$(INSTALLED_VENDOR_TEST_HARNESS_RAMDISK_TARGET): $(INTERNAL_VENDOR_TEST_HARNESS_RAMDISK_TARGET)
+	@echo "Target test harness vendor ramdisk: $@"
+	$(copy-file-to-target)
+
 # -----------------------------------------------------------------
 # vendor_boot-test-harness.img.
 INSTALLED_VENDOR_TEST_HARNESS_BOOTIMAGE_TARGET := $(PRODUCT_OUT)/vendor_boot-test-harness.img
@@ -2726,8 +2608,10 @@
 	$(call assert-max-image-size,$@,$(BOARD_VENDOR_BOOTIMAGE_PARTITION_SIZE))
 	$(if $(BOARD_AVB_VENDOR_BOOT_KEY_PATH),$(call test-key-sign-vendor-bootimage,$@))
 
-endif # BUILDING_RAMDISK_IMAGE
-endif # BUILDING_VENDOR_BOOT_IMAGE
+endif # BUILDING_DEBUG_VENDOR_BOOT_IMAGE
+
+endif # BUILDING_DEBUG_BOOT_IMAGE || BUILDING_DEBUG_VENDOR_BOOT_IMAGE
+
 
 # Creates a compatibility symlink between two partitions, e.g. /system/vendor to /vendor
 # $1: from location (e.g $(TARGET_OUT)/vendor)
diff --git a/core/android_soong_config_vars.mk b/core/android_soong_config_vars.mk
index 2197eb9..4aba87e 100644
--- a/core/android_soong_config_vars.mk
+++ b/core/android_soong_config_vars.mk
@@ -30,6 +30,7 @@
 $(call add_soong_config_var,ANDROID,BOARD_USES_ODMIMAGE)
 $(call add_soong_config_var,ANDROID,BOARD_USES_RECOVERY_AS_BOOT)
 $(call add_soong_config_var,ANDROID,BOARD_BUILD_SYSTEM_ROOT_IMAGE)
+$(call add_soong_config_var,ANDROID,PRODUCT_INSTALL_DEBUG_POLICY_TO_SYSTEM_EXT)
 
 # TODO(b/172480615): Remove when platform uses ART Module prebuilts by default.
 ifeq (,$(filter art_module,$(SOONG_CONFIG_NAMESPACES)))
diff --git a/core/autogen_test_config.mk b/core/autogen_test_config.mk
index 798dd5f..137b118 100644
--- a/core/autogen_test_config.mk
+++ b/core/autogen_test_config.mk
@@ -22,7 +22,8 @@
 #   autogen_test_config_file: Path to the test config file generated.
 
 autogen_test_config_file := $(dir $(LOCAL_BUILT_MODULE))$(LOCAL_MODULE).config
-autogen_test_install_base := /data/local/tests/unrestricted
+# TODO: (b/167308193) Switch to /data/local/tests/unrestricted as the default install base.
+autogen_test_install_base := /data/local/tmp
 # Automatically setup test root for native test.
 ifeq (true,$(is_native))
   ifeq (true,$(LOCAL_VENDOR_MODULE))
diff --git a/core/board_config.mk b/core/board_config.mk
index 9c6b5cb..816b176 100644
--- a/core/board_config.mk
+++ b/core/board_config.mk
@@ -184,7 +184,20 @@
   .KATI_READONLY := TARGET_DEVICE_DIR
 endif
 
+# TODO(colefaust) change this if to RBC_PRODUCT_CONFIG when
+# the board configuration is known to work on everything
+# the product config works on.
+ifndef RBC_BOARD_CONFIG
 include $(board_config_mk)
+else
+  rc := $(shell build/soong/scripts/rbc-run $(board_config_mk) \
+      BUILDING_GSI=$(BUILDING_GSI) >$(OUT_DIR)/rbcboardtemp.mk || echo $$?)
+  ifneq (,$(rc))
+    $(error board configuration converter failed: $(rc))
+  endif
+
+  include $(OUT_DIR)/rbcboardtemp.mk
+endif
 
 ifneq (,$(and $(TARGET_ARCH),$(TARGET_ARCH_SUITE)))
   $(error $(board_config_mk) erroneously sets both TARGET_ARCH and TARGET_ARCH_SUITE)
@@ -397,6 +410,12 @@
 endif
 .KATI_READONLY := BUILDING_BOOT_IMAGE
 
+DEBUG_RAMDISK_BOOT_IMAGE_NAME := boot-debug
+ifneq ($(PRODUCT_DEBUG_RAMDISK_BOOT_IMAGE_NAME),)
+  DEBUG_RAMDISK_BOOT_IMAGE_NAME := $(PRODUCT_DEBUG_RAMDISK_BOOT_IMAGE_NAME)
+endif
+.KATI_READONLY := DEBUG_RAMDISK_BOOT_IMAGE_NAME
+
 # Are we building a recovery image
 BUILDING_RECOVERY_IMAGE :=
 ifeq ($(PRODUCT_BUILD_RECOVERY_IMAGE),)
@@ -439,6 +458,86 @@
 endif
 .KATI_READONLY := BUILDING_RAMDISK_IMAGE
 
+# Are we building a debug vendor_boot image
+BUILDING_DEBUG_VENDOR_BOOT_IMAGE :=
+# Can't build vendor_boot-debug.img if BOARD_BUILD_SYSTEM_ROOT_IMAGE is true,
+# because building debug vendor_boot image requires a ramdisk.
+ifeq ($(BOARD_BUILD_SYSTEM_ROOT_IMAGE),true)
+  ifeq ($(PRODUCT_BUILD_DEBUG_VENDOR_BOOT_IMAGE),true)
+    $(warning PRODUCT_BUILD_DEBUG_VENDOR_BOOT_IMAGE is true, but so is BOARD_BUILD_SYSTEM_ROOT_IMAGE. \
+      Skip building the debug vendor_boot image.)
+  endif
+# Can't build vendor_boot-debug.img if we're not building a ramdisk.
+else ifndef BUILDING_RAMDISK_IMAGE
+  ifeq ($(PRODUCT_BUILD_DEBUG_VENDOR_BOOT_IMAGE),true)
+    $(warning PRODUCT_BUILD_DEBUG_VENDOR_BOOT_IMAGE is true, but we're not building a ramdisk image. \
+      Skip building the debug vendor_boot image.)
+  endif
+# Can't build vendor_boot-debug.img if we're not building a vendor_boot.img.
+else ifndef BUILDING_VENDOR_BOOT_IMAGE
+  ifeq ($(PRODUCT_BUILD_DEBUG_VENDOR_BOOT_IMAGE),true)
+    $(warning PRODUCT_BUILD_DEBUG_VENDOR_BOOT_IMAGE is true, but we're not building a vendor_boot image. \
+      Skip building the debug vendor_boot image.)
+  endif
+else
+  ifeq ($(PRODUCT_BUILD_DEBUG_VENDOR_BOOT_IMAGE),)
+    BUILDING_DEBUG_VENDOR_BOOT_IMAGE := true
+  else ifeq ($(PRODUCT_BUILD_DEBUG_VENDOR_BOOT_IMAGE),true)
+    BUILDING_DEBUG_VENDOR_BOOT_IMAGE := true
+  endif
+endif
+.KATI_READONLY := BUILDING_DEBUG_VENDOR_BOOT_IMAGE
+
+_has_boot_img_artifact :=
+ifneq ($(strip $(TARGET_NO_KERNEL)),true)
+  ifdef BUILDING_BOOT_IMAGE
+    _has_boot_img_artifact := true
+  endif
+  # BUILDING_RECOVERY_IMAGE && BOARD_USES_RECOVERY_AS_BOOT implies that
+  # recovery is being built with the file name *boot.img*, which still counts
+  # as "building boot.img".
+  ifdef BUILDING_RECOVERY_IMAGE
+    ifeq ($(BOARD_USES_RECOVERY_AS_BOOT),true)
+      _has_boot_img_artifact := true
+    endif
+  endif
+endif
+
+# Are we building a debug boot image
+BUILDING_DEBUG_BOOT_IMAGE :=
+# Can't build boot-debug.img if BOARD_BUILD_SYSTEM_ROOT_IMAGE is true,
+# because building debug boot image requires a ramdisk.
+ifeq ($(BOARD_BUILD_SYSTEM_ROOT_IMAGE),true)
+  ifeq ($(PRODUCT_BUILD_DEBUG_BOOT_IMAGE),true)
+    $(warning PRODUCT_BUILD_DEBUG_BOOT_IMAGE is true, but so is BOARD_BUILD_SYSTEM_ROOT_IMAGE. \
+      Skip building the debug boot image.)
+  endif
+# Can't build boot-debug.img if we're not building a ramdisk.
+else ifndef BUILDING_RAMDISK_IMAGE
+  ifeq ($(PRODUCT_BUILD_DEBUG_BOOT_IMAGE),true)
+    $(warning PRODUCT_BUILD_DEBUG_BOOT_IMAGE is true, but we're not building a ramdisk image. \
+      Skip building the debug boot image.)
+  endif
+# Can't build boot-debug.img if we're not building a boot.img.
+else ifndef _has_boot_img_artifact
+  ifeq ($(PRODUCT_BUILD_DEBUG_BOOT_IMAGE),true)
+    $(warning PRODUCT_BUILD_DEBUG_BOOT_IMAGE is true, but we're not building a boot image. \
+      Skip building the debug boot image.)
+  endif
+else
+  ifeq ($(PRODUCT_BUILD_DEBUG_BOOT_IMAGE),)
+    BUILDING_DEBUG_BOOT_IMAGE := true
+    # Don't build boot-debug.img if we're already building vendor_boot-debug.img.
+    ifdef BUILDING_DEBUG_VENDOR_BOOT_IMAGE
+      BUILDING_DEBUG_BOOT_IMAGE :=
+    endif
+  else ifeq ($(PRODUCT_BUILD_DEBUG_BOOT_IMAGE),true)
+    BUILDING_DEBUG_BOOT_IMAGE := true
+  endif
+endif
+.KATI_READONLY := BUILDING_DEBUG_BOOT_IMAGE
+_has_boot_img_artifact :=
+
 # Are we building a userdata image
 BUILDING_USERDATA_IMAGE :=
 ifeq ($(PRODUCT_BUILD_USERDATA_IMAGE),)
@@ -763,7 +862,7 @@
 
 ifdef BOARD_VNDK_VERSION
   ifeq ($(BOARD_VNDK_VERSION),$(PLATFORM_VNDK_VERSION))
-    $(error BOARD_VNDK_VERSION is equal to PLATFORM_VNDK_VERSION; use BOARD_VNDK_VERSION := current))
+    $(error BOARD_VNDK_VERSION is equal to PLATFORM_VNDK_VERSION; use BOARD_VNDK_VERSION := current)
   endif
   ifneq ($(BOARD_VNDK_VERSION),current)
     $(call check_vndk_version,$(BOARD_VNDK_VERSION))
@@ -821,8 +920,8 @@
     $(KATI_deprecated_var $(m),Please convert to Soong)))
 
 $(if $(filter true,$(BUILD_BROKEN_USES_BUILD_COPY_HEADERS)),\
-  $(KATI_deprecated_var BUILD_COPY_HEADERS,See $(CHANGES_URL)#copy_headers),\
-  $(KATI_obsolete_var BUILD_COPY_HEADERS,See $(CHANGES_URL)#copy_headers))
+  $(KATI_deprecated_var BUILD_COPY_HEADERS,See $(CHANGES_URL)\#copy_headers),\
+  $(KATI_obsolete_var BUILD_COPY_HEADERS,See $(CHANGES_URL)\#copy_headers))
 
 $(foreach m,$(filter-out BUILD_COPY_HEADERS,$(DEFAULT_ERROR_BUILD_MODULE_TYPES)),\
   $(if $(filter true,$(BUILD_BROKEN_USES_$(m))),\
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 94a027c..a67cca6 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -42,6 +42,7 @@
 LOCAL_CLANG_LDFLAGS:=
 LOCAL_CLASSPATH:=
 LOCAL_COMPATIBILITY_SUITE:=
+LOCAL_COMPATIBILITY_PER_TESTCASE_DIRECTORY:=
 LOCAL_COMPATIBILITY_SUPPORT_FILES:=
 LOCAL_COMPRESSED_MODULE:=
 LOCAL_CONLYFLAGS:=
diff --git a/core/config.mk b/core/config.mk
index 0b317fb..8824d3b 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -490,11 +490,8 @@
 #
 ifeq (,$(TARGET_BUILD_USE_PREBUILT_SDKS))
   AAPT := $(HOST_OUT_EXECUTABLES)/aapt
-  MAINDEXCLASSES := $(HOST_OUT_EXECUTABLES)/mainDexClasses
-
 else # TARGET_BUILD_USE_PREBUILT_SDKS
   AAPT := $(prebuilt_sdk_tools_bin)/aapt
-  MAINDEXCLASSES := $(prebuilt_sdk_tools)/mainDexClasses
 endif # TARGET_BUILD_USE_PREBUILT_SDKS
 
 ifeq (,$(TARGET_BUILD_USE_PREBUILT_SDKS))
@@ -726,10 +723,13 @@
 endif
 .KATI_READONLY := BOARD_CURRENT_API_LEVEL_FOR_VENDOR_MODULES
 
+min_systemsdk_version := $(firstword $(BOARD_API_LEVEL) $(BOARD_SHIPPING_API_LEVEL) $(PRODUCT_SHIPPING_API_LEVEL))
+ifneq (,$(min_systemsdk_version))
+ifneq ($(call numbers_less_than,$(min_systemsdk_version),$(BOARD_SYSTEMSDK_VERSIONS)),)
+  $(error BOARD_SYSTEMSDK_VERSIONS ($(BOARD_SYSTEMSDK_VERSIONS)) must all be greater than or equal to BOARD_API_LEVEL, BOARD_SHIPPING_API_LEVEL or PRODUCT_SHIPPING_API_LEVEL ($(min_systemsdk_version)))
+endif
+endif
 ifdef PRODUCT_SHIPPING_API_LEVEL
-  ifneq ($(call numbers_less_than,$(PRODUCT_SHIPPING_API_LEVEL),$(BOARD_SYSTEMSDK_VERSIONS)),)
-    $(error BOARD_SYSTEMSDK_VERSIONS ($(BOARD_SYSTEMSDK_VERSIONS)) must all be greater than or equal to PRODUCT_SHIPPING_API_LEVEL ($(PRODUCT_SHIPPING_API_LEVEL)))
-  endif
   ifneq ($(call math_gt_or_eq,$(PRODUCT_SHIPPING_API_LEVEL),28),)
     ifneq ($(TARGET_IS_64_BIT), true)
       ifneq ($(TARGET_USES_64_BIT_BINDER), true)
diff --git a/core/definitions.mk b/core/definitions.mk
index 981c6cb..c7172ca 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -2994,9 +2994,10 @@
 # Can be passed a subdirectory to use for the common testcase directory.
 define compatibility_suite_dirs
   $(strip \
-    $(if $(COMPATIBILITY_TESTCASES_OUT_INCLUDE_MODULE_FOLDER_$(1)),\
-      $(COMPATIBILITY_TESTCASES_OUT_$(1))/$(LOCAL_MODULE)$(2),\
-      $(COMPATIBILITY_TESTCASES_OUT_$(1))) \
+    $(if $(COMPATIBILITY_TESTCASES_OUT_$(1)), \
+      $(if $(COMPATIBILITY_TESTCASES_OUT_INCLUDE_MODULE_FOLDER_$(1))$(LOCAL_COMPATIBILITY_PER_TESTCASE_DIRECTORY),\
+        $(COMPATIBILITY_TESTCASES_OUT_$(1))/$(LOCAL_MODULE)$(2),\
+        $(COMPATIBILITY_TESTCASES_OUT_$(1)))) \
     $($(my_prefix)OUT_TESTCASES)/$(LOCAL_MODULE)$(2))
 endef
 
diff --git a/core/dex_preopt_odex_install.mk b/core/dex_preopt_odex_install.mk
index 1d16eab..7655b42 100644
--- a/core/dex_preopt_odex_install.mk
+++ b/core/dex_preopt_odex_install.mk
@@ -60,11 +60,6 @@
   LOCAL_DEX_PREOPT :=
 endif
 
-# Don't preopt system server jars that are updatable.
-ifneq (,$(filter %:$(LOCAL_MODULE), $(PRODUCT_APEX_SYSTEM_SERVER_JARS)))
-  LOCAL_DEX_PREOPT :=
-endif
-
 # if WITH_DEXPREOPT_BOOT_IMG_AND_SYSTEM_SERVER_ONLY=true and module is not in boot class path skip
 # Also preopt system server jars since selinux prevents system server from loading anything from
 # /data. If we don't do this they will need to be extracted which is not favorable for RAM usage
@@ -429,6 +424,16 @@
 $(LOCAL_INSTALLED_MODULE): $(my_dexpreopt_config_for_postprocessing)
 
 ifdef LOCAL_DEX_PREOPT
+  # System server jars must be copied into predefined locations expected by
+  # dexpreopt. Copy rule must be exposed to Ninja (as it uses these files as
+  # inputs), so it cannot go in dexpreopt.sh.
+  ifneq (,$(filter %:$(LOCAL_MODULE), $(PRODUCT_SYSTEM_SERVER_JARS)))
+    my_dexpreopt_jar_copy := $(OUT_DIR)/soong/system_server_dexjars/$(LOCAL_MODULE).jar
+    $(my_dexpreopt_jar_copy): PRIVATE_BUILT_MODULE := $(LOCAL_BUILT_MODULE)
+    $(my_dexpreopt_jar_copy): $(LOCAL_BUILT_MODULE)
+	  @cp $(PRIVATE_BUILT_MODULE) $@
+  endif
+
   my_dexpreopt_script := $(intermediates)/dexpreopt.sh
   my_dexpreopt_zip := $(intermediates)/dexpreopt.zip
   .KATI_RESTAT: $(my_dexpreopt_script)
@@ -437,6 +442,7 @@
   $(my_dexpreopt_script): PRIVATE_GLOBAL_CONFIG := $(DEX_PREOPT_CONFIG_FOR_MAKE)
   $(my_dexpreopt_script): PRIVATE_MODULE_CONFIG := $(my_dexpreopt_config)
   $(my_dexpreopt_script): $(DEXPREOPT_GEN)
+  $(my_dexpreopt_script): $(my_dexpreopt_jar_copy)
   $(my_dexpreopt_script): $(my_dexpreopt_config) $(DEX_PREOPT_SOONG_CONFIG_FOR_MAKE) $(DEX_PREOPT_CONFIG_FOR_MAKE)
 	@echo "$(PRIVATE_MODULE) dexpreopt gen"
 	$(DEXPREOPT_GEN) \
diff --git a/core/main.mk b/core/main.mk
index 8ba1396..ad50ce0 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -113,15 +113,6 @@
 EMMA_INSTRUMENT := true
 endif
 
-ifeq (true,$(EMMA_INSTRUMENT))
-# Adding the jacoco library can cause the inclusion of
-# some typically banned classes
-# So if the user didn't specify SKIP_BOOT_JARS_CHECK, enable it here
-ifndef SKIP_BOOT_JARS_CHECK
-SKIP_BOOT_JARS_CHECK := true
-endif
-endif
-
 ifdef TARGET_ARCH_SUITE
   # TODO(b/175577370): Enable this error.
   # $(error TARGET_ARCH_SUITE is not supported in kati/make builds)
@@ -1572,6 +1563,9 @@
 .PHONY: vendorramdisk_debug
 vendorramdisk_debug: $(INSTALLED_VENDOR_DEBUG_RAMDISK_TARGET)
 
+.PHONY: vendorramdisk_test_harness
+vendorramdisk_test_harness: $(INSTALLED_VENDOR_TEST_HARNESS_RAMDISK_TARGET)
+
 .PHONY: productimage
 productimage: $(INSTALLED_PRODUCTIMAGE_TARGET)
 
@@ -1596,6 +1590,10 @@
 .PHONY: bootimage
 bootimage: $(INSTALLED_BOOTIMAGE_TARGET)
 
+ifeq (true,$(PRODUCT_EXPORT_BOOT_IMAGE_TO_DIST))
+$(call dist-for-goals, bootimage, $(INSTALLED_BOOTIMAGE_TARGET))
+endif
+
 .PHONY: bootimage_debug
 bootimage_debug: $(INSTALLED_DEBUG_BOOTIMAGE_TARGET)
 
@@ -1631,6 +1629,7 @@
     $(INSTALLED_VENDORIMAGE_TARGET) \
     $(INSTALLED_VENDOR_BOOTIMAGE_TARGET) \
     $(INSTALLED_VENDOR_DEBUG_BOOTIMAGE_TARGET) \
+    $(INSTALLED_VENDOR_TEST_HARNESS_RAMDISK_TARGET) \
     $(INSTALLED_VENDOR_TEST_HARNESS_BOOTIMAGE_TARGET) \
     $(INSTALLED_VENDOR_RAMDISK_TARGET) \
     $(INSTALLED_VENDOR_DEBUG_RAMDISK_TARGET) \
@@ -1850,6 +1849,7 @@
       $(INSTALLED_TEST_HARNESS_RAMDISK_TARGET) \
       $(INSTALLED_TEST_HARNESS_BOOTIMAGE_TARGET) \
       $(INSTALLED_VENDOR_DEBUG_BOOTIMAGE_TARGET) \
+      $(INSTALLED_VENDOR_TEST_HARNESS_RAMDISK_TARGET) \
       $(INSTALLED_VENDOR_TEST_HARNESS_BOOTIMAGE_TARGET) \
       $(INSTALLED_VENDOR_RAMDISK_TARGET) \
       $(INSTALLED_VENDOR_DEBUG_RAMDISK_TARGET) \
diff --git a/core/native_benchmark_test_config_template.xml b/core/native_benchmark_test_config_template.xml
index 8a89241..d1f0199 100644
--- a/core/native_benchmark_test_config_template.xml
+++ b/core/native_benchmark_test_config_template.xml
@@ -22,10 +22,10 @@
 
     <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
         <option name="cleanup" value="true" />
-        <option name="push" value="{MODULE}->/data/local/tests/unrestricted/{MODULE}" />
+        <option name="push" value="{MODULE}->/data/local/tmp/{MODULE}" />
     </target_preparer>
     <test class="com.android.tradefed.testtype.GoogleBenchmarkTest" >
-        <option name="native-benchmark-device-path" value="/data/local/tests/unrestricted" />
+        <option name="native-benchmark-device-path" value="/data/local/tmp" />
         <option name="benchmark-module-name" value="{MODULE}" />
     </test>
 </configuration>
diff --git a/core/product.mk b/core/product.mk
index cac35f2..db7e2a8 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -274,10 +274,14 @@
 
 # Boot image options.
 _product_single_value_vars += \
+    PRODUCT_EXPORT_BOOT_IMAGE_TO_DIST \
     PRODUCT_USE_PROFILE_FOR_BOOT_IMAGE \
     PRODUCT_DEX_PREOPT_BOOT_IMAGE_PROFILE_LOCATION \
     PRODUCT_USES_DEFAULT_ART_CONFIG \
 
+# The file name for the boot image with a debug ramdisk.
+_product_single_value_vars += PRODUCT_DEBUG_RAMDISK_BOOT_IMAGE_NAME
+
 _product_single_value_vars += PRODUCT_SYSTEM_SERVER_COMPILER_FILTER
 # Per-module sanitizer configs
 _product_list_vars += PRODUCT_SANITIZER_MODULE_CONFIGS
@@ -386,7 +390,9 @@
 _product_single_value_vars += PRODUCT_BUILD_USERDATA_IMAGE
 _product_single_value_vars += PRODUCT_BUILD_RECOVERY_IMAGE
 _product_single_value_vars += PRODUCT_BUILD_BOOT_IMAGE
+_product_single_value_vars += PRODUCT_BUILD_DEBUG_BOOT_IMAGE
 _product_single_value_vars += PRODUCT_BUILD_VENDOR_BOOT_IMAGE
+_product_single_value_vars += PRODUCT_BUILD_DEBUG_VENDOR_BOOT_IMAGE
 _product_single_value_vars += PRODUCT_BUILD_VBMETA_IMAGE
 _product_single_value_vars += PRODUCT_BUILD_SUPER_EMPTY_IMAGE
 _product_single_value_vars += PRODUCT_BUILD_PVMFW_IMAGE
@@ -430,6 +436,11 @@
 
 _product_single_value_vars += PRODUCT_INSTALL_EXTRA_FLATTENED_APEXES
 
+# Install a copy of the debug policy to the system_ext partition, and allow
+# init-second-stage to load debug policy from system_ext.
+# This option is only meant to be set by GSI products.
+_product_single_value_vars += PRODUCT_INSTALL_DEBUG_POLICY_TO_SYSTEM_EXT
+
 .KATI_READONLY := _product_single_value_vars _product_list_vars
 _product_var_list :=$= $(_product_single_value_vars) $(_product_list_vars)
 
diff --git a/core/product_config.mk b/core/product_config.mk
index c6471b9..200c3ab 100644
--- a/core/product_config.mk
+++ b/core/product_config.mk
@@ -100,6 +100,16 @@
 $(join $(patsubst %,$(1),$(3)),$(patsubst %,:$(2),$(3)))
 endef
 
+# Return empty unless the board matches
+define is-board-platform2
+$(filter $(1), $(TARGET_BOARD_PLATFORM))
+endef
+
+# Return empty unless the board is in the list
+define is-board-platform-in-list2
+$(filter $(1),$(TARGET_BOARD_PLATFORM))
+endef
+
 # ---------------------------------------------------------------
 # Check for obsolete PRODUCT- and APP- goals
 ifeq ($(CALLED_FROM_SETUP),true)
@@ -189,8 +199,8 @@
 ifndef RBC_PRODUCT_CONFIG
 $(call import-products, $(current_product_makefile))
 else
-  rbcscript=build/soong/scripts/rbc-run
-  rc := $(shell $(rbcscript) $(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT) >$(OUT_DIR)/rbctemp.mk || echo $$?)
+  rc := $(shell build/soong/scripts/rbc-run $(current_product_makefile) \
+      >$(OUT_DIR)/rbctemp.mk || echo $$?)
   ifneq (,$(rc))
     $(error product configuration converter failed: $(rc))
   endif
@@ -386,6 +396,12 @@
   $(error Only one file may be in PRODUCT_ADB_KEYS: $(PRODUCT_ADB_KEYS))
 endif
 
+ifdef PRODUCT_INSTALL_DEBUG_POLICY_TO_SYSTEM_EXT
+  ifeq (,$(filter gsi_arm gsi_arm64 gsi_x86 gsi_x86_64,$(PRODUCT_NAME)))
+    $(error Only GSI products are allowed to set PRODUCT_INSTALL_DEBUG_POLICY_TO_SYSTEM_EXT)
+  endif
+endif
+
 ifndef PRODUCT_USE_DYNAMIC_PARTITIONS
   PRODUCT_USE_DYNAMIC_PARTITIONS := $(PRODUCT_RETROFIT_DYNAMIC_PARTITIONS)
 endif
diff --git a/core/product_config.rbc b/core/product_config.rbc
index 62777f9..5219751 100644
--- a/core/product_config.rbc
+++ b/core/product_config.rbc
@@ -84,7 +84,7 @@
                         print("SOONG_CONFIG_" + nsname, ":=", " ".join(nsvars.keys()))
                     for var, val in sorted(nsvars.items()):
                         __print_attr("SOONG_CONFIG_%s_%s" % (nsname, var), val)
-            elif attr not in globals_base:
+            elif attr not in globals_base or globals_base[attr] != val:
                 __print_attr(attr, val)
 
 def __printvars_rearrange_list(value_list):
@@ -401,8 +401,8 @@
 
 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_find_files(from_dir, pattern, only_files=1)]
+    return sorted(["%s/%s:%s/%s" % (
+        from_dir, f, to_dir, f) for f in rblf_find_files(from_dir, pattern, only_files=1)])
 
 def _filter_out(pattern, text):
     """Return all the words from `text' that do not match any word in `pattern'.
@@ -462,11 +462,11 @@
 
 def _mkwarning(file, message = ""):
     """Prints warning."""
-    print("%s: warning: %s" % (file, message))
+    rblf_log(file, "warning", message, sep = ':')
 
 def _mkinfo(file, message = ""):
     """Prints info."""
-    print(message)
+    rblf_log(message)
 
 
 def __mkparse_pattern(pattern):
diff --git a/core/rust_device_benchmark_config_template.xml b/core/rust_device_benchmark_config_template.xml
index a117fc4..2055df2 100644
--- a/core/rust_device_benchmark_config_template.xml
+++ b/core/rust_device_benchmark_config_template.xml
@@ -17,11 +17,11 @@
 <configuration description="Config to run {MODULE} rust benchmark tests.">
     <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
         <option name="cleanup" value="false" />
-        <option name="push" value="{MODULE}->/data/local/tests/unrestricted/{MODULE}" />
+        <option name="push" value="{MODULE}->/data/local/tmp/{MODULE}" />
     </target_preparer>
 
     <test class="com.android.tradefed.testtype.rust.RustBinaryTest" >
-        <option name="test-device-path" value="/data/local/tests/unrestricted" />
+        <option name="test-device-path" value="/data/local/tmp" />
         <option name="module-name" value="{MODULE}" />
         <option name="is-benchmark" value="true" />
     </test>
diff --git a/core/rust_device_test_config_template.xml b/core/rust_device_test_config_template.xml
index 536f57e..bfd2f47 100644
--- a/core/rust_device_test_config_template.xml
+++ b/core/rust_device_test_config_template.xml
@@ -15,13 +15,16 @@
 -->
 <!-- This test config file is auto-generated. -->
 <configuration description="Config to run {MODULE} device tests.">
+
+    {EXTRA_CONFIGS}
+
     <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
         <option name="cleanup" value="true" />
-        <option name="push" value="{MODULE}->/data/local/tests/unrestricted/{MODULE}" />
+        <option name="push" value="{MODULE}->/data/local/tmp/{MODULE}" />
     </target_preparer>
 
     <test class="com.android.tradefed.testtype.rust.RustBinaryTest" >
-        <option name="test-device-path" value="/data/local/tests/unrestricted" />
+        <option name="test-device-path" value="/data/local/tmp" />
         <option name="module-name" value="{MODULE}" />
     </test>
 </configuration>
diff --git a/core/soong_config.mk b/core/soong_config.mk
index 9eb02b2..4999464 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -40,7 +40,6 @@
 $(call add_json_bool, Unbundled_build_apps,              $(TARGET_BUILD_APPS))
 $(call add_json_bool, Unbundled_build_image,             $(TARGET_BUILD_UNBUNDLED_IMAGE))
 $(call add_json_bool, Always_use_prebuilt_sdks,          $(TARGET_BUILD_USE_PREBUILT_SDKS))
-$(call add_json_bool, Skip_boot_jars_check,              $(SKIP_BOOT_JARS_CHECK))
 
 $(call add_json_bool, Debuggable,                        $(filter userdebug eng,$(TARGET_BUILD_VARIANT)))
 $(call add_json_bool, Eng,                               $(filter eng,$(TARGET_BUILD_VARIANT)))
@@ -202,6 +201,7 @@
 $(call add_json_str,  BoardSepolicyVers,                 $(BOARD_SEPOLICY_VERS))
 
 $(call add_json_str,  PlatformSepolicyVersion,           $(PLATFORM_SEPOLICY_VERSION))
+$(call add_json_str,  TotSepolicyVersion,                $(TOT_SEPOLICY_VERSION))
 
 $(call add_json_bool, Flatten_apex,                      $(filter true,$(TARGET_FLATTEN_APEX)))
 $(call add_json_bool, ForceApexSymlinkOptimization,      $(filter true,$(TARGET_FORCE_APEX_SYMLINK_OPTIMIZATION)))
@@ -268,6 +268,9 @@
 
 $(call add_json_bool, SepolicySplit, $(filter true,$(PRODUCT_SEPOLICY_SPLIT)))
 
+$(call add_json_list, SepolicyFreezeTestExtraDirs,         $(SEPOLICY_FREEZE_TEST_EXTRA_DIRS))
+$(call add_json_list, SepolicyFreezeTestExtraPrebuiltDirs, $(SEPOLICY_FREEZE_TEST_EXTRA_PREBUILT_DIRS))
+
 $(call json_end)
 
 $(file >$(SOONG_VARIABLES).tmp,$(json_contents))
diff --git a/core/tasks/cts.mk b/core/tasks/cts.mk
index 16b5c49..876d77a 100644
--- a/core/tasks/cts.mk
+++ b/core/tasks/cts.mk
@@ -20,8 +20,8 @@
 include $(BUILD_SYSTEM)/tasks/tools/compatibility.mk
 
 .PHONY: cts
-cts: $(compatibility_zip)
-$(call dist-for-goals, cts, $(compatibility_zip))
+cts: $(compatibility_zip) $(compatibility_tests_list_zip)
+$(call dist-for-goals, cts, $(compatibility_zip) $(compatibility_tests_list_zip))
 
 .PHONY: cts_v2
 cts_v2: cts
diff --git a/core/tasks/tools/compatibility.mk b/core/tasks/tools/compatibility.mk
index 570a39a..4945da9 100644
--- a/core/tasks/tools/compatibility.mk
+++ b/core/tasks/tools/compatibility.mk
@@ -80,13 +80,18 @@
 compatibility_zip_deps += $(test_suite_notice_txt)
 compatibility_zip_resources += $(test_suite_notice_txt)
 
+compatibility_tests_list_zip := $(out_dir)-tests_list.zip
+
 compatibility_zip := $(out_dir).zip
+$(compatibility_zip) : .KATI_IMPLICIT_OUTPUTS := $(compatibility_tests_list_zip)
 $(compatibility_zip): PRIVATE_OUT_DIR := $(out_dir)
 $(compatibility_zip): PRIVATE_TOOLS := $(test_tools) $(test_suite_prebuilt_tools)
 $(compatibility_zip): PRIVATE_SUITE_NAME := $(test_suite_name)
 $(compatibility_zip): PRIVATE_DYNAMIC_CONFIG := $(test_suite_dynamic_config)
 $(compatibility_zip): PRIVATE_RESOURCES := $(compatibility_zip_resources)
 $(compatibility_zip): PRIVATE_JDK := $(test_suite_jdk)
+$(compatibility_zip): PRIVATE_tests_list := $(out_dir)-tests_list
+$(compatibility_zip): PRIVATE_tests_list_zip := $(compatibility_tests_list_zip)
 $(compatibility_zip): $(compatibility_zip_deps) | $(ADB) $(ACP)
 # Make dir structure
 	mkdir -p $(PRIVATE_OUT_DIR)/tools $(PRIVATE_OUT_DIR)/testcases
@@ -99,6 +104,11 @@
 	$(SOONG_ZIP) -d -o $@.tmp -C $(dir $@) -l $@.list
 	$(MERGE_ZIPS) $@ $@.tmp $(PRIVATE_JDK)
 	rm -f $@.tmp
+# Build a list of tests
+	rm -f $(PRIVATE_tests_list)
+	$(hide) grep -e .*\\.config$$ $@.list | sed s%$(PRIVATE_OUT_DIR)/testcases/%%g > $(PRIVATE_tests_list)
+	$(SOONG_ZIP) -d -o $(PRIVATE_tests_list_zip) -j -f $(PRIVATE_tests_list)
+	rm -f $(PRIVATE_tests_list)
 
 # Reset all input variables
 test_suite_name :=
diff --git a/core/tasks/vts-core-tests.mk b/core/tasks/vts-core-tests.mk
index 95c4d24..3c838b5 100644
--- a/core/tasks/vts-core-tests.mk
+++ b/core/tasks/vts-core-tests.mk
@@ -44,7 +44,7 @@
 $(compatibility_zip): $(copy_kernel_tests)
 
 .PHONY: vts
-vts: $(compatibility_zip)
-$(call dist-for-goals, vts, $(compatibility_zip))
+vts: $(compatibility_zip) $(compatibility_tests_list_zip)
+$(call dist-for-goals, vts, $(compatibility_zip) $(compatibility_tests_list_zip))
 
 tests: vts
diff --git a/envsetup.sh b/envsetup.sh
index b92e399..b5dc847 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -240,7 +240,7 @@
         export ANDROID_TOOLCHAIN_2ND_ARCH=$gccprebuiltdir/$toolchaindir2
     fi
 
-    export ANDROID_DEV_SCRIPTS=$T/development/scripts:$T/prebuilts/devtools/tools:$T/external/selinux/prebuilts/bin
+    export ANDROID_DEV_SCRIPTS=$T/development/scripts:$T/prebuilts/devtools/tools
 
     # add kernel specific binaries
     case $(uname -s) in
diff --git a/target/product/aosp_arm64.mk b/target/product/aosp_arm64.mk
index 38f82a2..01897b7 100644
--- a/target/product/aosp_arm64.mk
+++ b/target/product/aosp_arm64.mk
@@ -53,6 +53,7 @@
 #
 $(call inherit-product, $(SRC_TARGET_DIR)/product/emulator_vendor.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/board/generic_arm64/device.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/non_ab_device.mk)
 
 #
 # Special settings for GSI releasing
diff --git a/target/product/aosp_x86_64.mk b/target/product/aosp_x86_64.mk
index 5d78264..b3cfae4 100644
--- a/target/product/aosp_x86_64.mk
+++ b/target/product/aosp_x86_64.mk
@@ -56,6 +56,7 @@
 $(call inherit-product-if-exists, device/generic/goldfish/x86_64-vendor.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/product/emulator_vendor.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/board/generic_x86_64/device.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/non_ab_device.mk)
 
 #
 # Special settings for GSI releasing
diff --git a/target/product/base_vendor.mk b/target/product/base_vendor.mk
index a087f4c..58b4bb4 100644
--- a/target/product/base_vendor.mk
+++ b/target/product/base_vendor.mk
@@ -77,11 +77,6 @@
 PRODUCT_PACKAGES += \
     vendor_compatibility_matrix.xml \
 
-# Packages to update the recovery partition, which will be installed on
-# /vendor. TODO(b/141648565): Don't install these unless they're needed.
-PRODUCT_PACKAGES += \
-    applypatch
-
 # Base modules and settings for the debug ramdisk, which is then packed
 # into a boot-debug.img and a vendor_boot-debug.img.
 PRODUCT_PACKAGES += \
diff --git a/target/product/gsi/current.txt b/target/product/gsi/current.txt
index 755d85e..c5ec791 100644
--- a/target/product/gsi/current.txt
+++ b/target/product/gsi/current.txt
@@ -95,6 +95,20 @@
 VNDK-core: android.hardware.power.stats-V1-ndk_platform.so
 VNDK-core: android.hardware.radio-V1-ndk.so
 VNDK-core: android.hardware.radio-V1-ndk_platform.so
+VNDK-core: android.hardware.radio.config-V1-ndk.so
+VNDK-core: android.hardware.radio.config-V1-ndk_platform.so
+VNDK-core: android.hardware.radio.data-V1-ndk.so
+VNDK-core: android.hardware.radio.data-V1-ndk_platform.so
+VNDK-core: android.hardware.radio.messaging-V1-ndk.so
+VNDK-core: android.hardware.radio.messaging-V1-ndk_platform.so
+VNDK-core: android.hardware.radio.modem-V1-ndk.so
+VNDK-core: android.hardware.radio.modem-V1-ndk_platform.so
+VNDK-core: android.hardware.radio.network-V1-ndk.so
+VNDK-core: android.hardware.radio.network-V1-ndk_platform.so
+VNDK-core: android.hardware.radio.sim-V1-ndk.so
+VNDK-core: android.hardware.radio.sim-V1-ndk_platform.so
+VNDK-core: android.hardware.radio.voice-V1-ndk.so
+VNDK-core: android.hardware.radio.voice-V1-ndk_platform.so
 VNDK-core: android.hardware.rebootescrow-V1-ndk.so
 VNDK-core: android.hardware.rebootescrow-V1-ndk_platform.so
 VNDK-core: android.hardware.security.keymint-V1-ndk.so
diff --git a/target/product/gsi_release.mk b/target/product/gsi_release.mk
index bd7c4ab..d0a98c0 100644
--- a/target/product/gsi_release.mk
+++ b/target/product/gsi_release.mk
@@ -71,6 +71,7 @@
 PRODUCT_BUILD_VENDOR_IMAGE := false
 PRODUCT_BUILD_SUPER_PARTITION := false
 PRODUCT_BUILD_SUPER_EMPTY_IMAGE := false
+PRODUCT_EXPORT_BOOT_IMAGE_TO_DIST := true
 
 # Always build modules from source
 MODULE_BUILD_FROM_SOURCE := true
@@ -78,3 +79,7 @@
 # Additional settings used in all GSI builds
 PRODUCT_PRODUCT_PROPERTIES += \
     ro.crypto.metadata_init_delete_all_keys.enabled=false \
+
+# Renames boot-debug-*.img to boot-with-debug-ramdisk-*.img to avoid confusion
+# with GKI boot images.
+PRODUCT_DEBUG_RAMDISK_BOOT_IMAGE_NAME := boot-with-debug-ramdisk
diff --git a/target/product/non_ab_device.mk b/target/product/non_ab_device.mk
new file mode 100644
index 0000000..6dc4506
--- /dev/null
+++ b/target/product/non_ab_device.mk
@@ -0,0 +1,5 @@
+# Packages to update the recovery partition, which will be installed on
+# /vendor. Don't install these unless they're needed.
+PRODUCT_PACKAGES += \
+    applypatch
+
diff --git a/target/product/runtime_libart.mk b/target/product/runtime_libart.mk
index b511aa6..301605a 100644
--- a/target/product/runtime_libart.mk
+++ b/target/product/runtime_libart.mk
@@ -93,7 +93,7 @@
     dalvik.vm.appimageformat=lz4
 
 PRODUCT_SYSTEM_PROPERTIES += \
-    ro.dalvik.vm.native.bridge=0
+    ro.dalvik.vm.native.bridge?=0
 
 # Different dexopt types for different package update/install times.
 # On eng builds, make "boot" reasons only extract for faster turnaround.
@@ -127,10 +127,6 @@
     pm.dexopt.cmdline?=verify \
     pm.dexopt.shared?=speed
 
-# Pass file with the list of updatable boot class path packages to dex2oat.
-PRODUCT_SYSTEM_PROPERTIES += \
-    dalvik.vm.dex2oat-updatable-bcp-packages-file=/system/etc/updatable-bcp-packages.txt
-
 # Enable resolution of startup const strings.
 PRODUCT_SYSTEM_PROPERTIES += \
     dalvik.vm.dex2oat-resolve-startup-strings=true
diff --git a/tools/BUILD.bazel b/tools/BUILD.bazel
new file mode 100644
index 0000000..75b0de6
--- /dev/null
+++ b/tools/BUILD.bazel
@@ -0,0 +1,20 @@
+py_library(
+    name="event_log_tags",
+    srcs = ["event_log_tags.py"],
+)
+
+py_binary(
+    name="java-event-log-tags",
+    srcs=["java-event-log-tags.py"],
+    deps=[":event_log_tags"],
+    visibility = ["//visibility:public"],
+    python_version = "PY2",
+)
+
+py_binary(
+    name="merge-event-log-tags",
+    srcs=["merge-event-log-tags.py"],
+    deps=[":event_log_tags"],
+    visibility = ["//visibility:public"],
+    python_version = "PY2",
+)
diff --git a/tools/event_log_tags.bzl b/tools/event_log_tags.bzl
new file mode 100644
index 0000000..3766da4
--- /dev/null
+++ b/tools/event_log_tags.bzl
@@ -0,0 +1,47 @@
+"""Event log tags generation rule"""
+
+load("@bazel_skylib//lib:paths.bzl", "paths")
+load("@rules_android//rules:rules.bzl", "android_library")
+
+def _event_log_tags_impl(ctx):
+    out_files = []
+    for logtag_file in ctx.files.srcs:
+        out_filename = paths.replace_extension(logtag_file.basename, ".java")
+        out_file = ctx.actions.declare_file(out_filename)
+        out_files.append(out_file)
+        ctx.actions.run(
+            inputs = [logtag_file],
+            outputs = [out_file],
+            arguments = [
+                "-o",
+                out_file.path,
+                logtag_file.path,
+            ],
+            progress_message = "Generating Java logtag file from %s" % logtag_file.short_path,
+            executable = ctx.executable._logtag_to_java_tool,
+        )
+    return [DefaultInfo(files = depset(out_files))]
+
+_event_log_tags = rule(
+    implementation = _event_log_tags_impl,
+    attrs = {
+        "srcs": attr.label_list(allow_files = [".logtags"], mandatory = True),
+        "_logtag_to_java_tool": attr.label(
+            executable = True,
+            cfg = "exec",
+            allow_files = True,
+            default = Label("//build/make/tools:java-event-log-tags"),
+        ),
+    },
+)
+
+def event_log_tags(name, srcs):
+    _event_log_tags(
+        name = name + "_gen_logtags",
+        srcs = srcs,
+    )
+
+    android_library(
+        name = name,
+        srcs = [name + "_gen_logtags"],
+    )
diff --git a/tools/rbcrun/README.md b/tools/rbcrun/README.md
index ecf8a24..7f40597 100644
--- a/tools/rbcrun/README.md
+++ b/tools/rbcrun/README.md
@@ -87,3 +87,7 @@
 Runs `sh -c "`*command*`"`, reads its output, converts all newlines into spaces, chops trailing newline returns this
 string. This is equivalent to Make's
 `shell` builtin function. *This function will be eventually removed*.
+
+#### rblf_log(*arg*,..., sep=' ')
+
+Same as `print` builtin but writes to stderr.
\ No newline at end of file
diff --git a/tools/rbcrun/host.go b/tools/rbcrun/host.go
index 7f4f72d..4915de9 100644
--- a/tools/rbcrun/host.go
+++ b/tools/rbcrun/host.go
@@ -259,6 +259,28 @@
 	return starlarkstruct.FromStringDict(starlarkstruct.Default, sd)
 }
 
+func log(thread *starlark.Thread, fn *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) {
+	sep := " "
+	if err := starlark.UnpackArgs("print", nil, kwargs, "sep?", &sep); err != nil {
+		return nil, err
+	}
+	for i, v := range args {
+		if i > 0 {
+			fmt.Fprint(os.Stderr, sep)
+		}
+		if s, ok := starlark.AsString(v); ok {
+			fmt.Fprint(os.Stderr, s)
+		} else if b, ok := v.(starlark.Bytes); ok {
+			fmt.Fprint(os.Stderr, string(b))
+		} else {
+			fmt.Fprintf(os.Stderr, "%s", v)
+		}
+	}
+
+	fmt.Fprintln(os.Stderr)
+	return starlark.None, nil
+}
+
 func setup(env []string) {
 	// Create the symbols that aid makefile conversion. See README.md
 	builtins = starlark.StringDict{
@@ -273,6 +295,8 @@
 		"rblf_regex": starlark.NewBuiltin("rblf_regex", regexMatch),
 		// To convert makefile's $(shell cmd)
 		"rblf_shell": starlark.NewBuiltin("rblf_shell", shell),
+		// Output to stderr
+		"rblf_log": starlark.NewBuiltin("rblf_log", log),
 		// To convert makefile's $(wildcard foo*)
 		"rblf_wildcard": starlark.NewBuiltin("rblf_wildcard", wildcard),
 	}
diff --git a/tools/releasetools/add_img_to_target_files.py b/tools/releasetools/add_img_to_target_files.py
index 01cc233..2a4b56b 100644
--- a/tools/releasetools/add_img_to_target_files.py
+++ b/tools/releasetools/add_img_to_target_files.py
@@ -712,8 +712,10 @@
   # Calculate the vbmeta digest and put the result in to META/
   boot_images = OPTIONS.info_dict.get("boot_images")
   # Disable the digest calculation if the target_file is used as a container
-  # for boot images.
-  boot_container = boot_images and len(boot_images.split()) >= 2
+  # for boot images. A boot container might contain boot-5.4.img, boot-5.10.img
+  # etc., instead of just a boot.img and will fail in vbmeta digest calculation.
+  boot_container = boot_images and (
+      len(boot_images.split()) >= 2 or boot_images.split()[0] != 'boot.img')
   if (OPTIONS.info_dict.get("avb_enable") == "true" and not boot_container and
       OPTIONS.info_dict.get("avb_building_vbmeta_image") == "true"):
     avbtool = OPTIONS.info_dict["avb_avbtool"]
diff --git a/tools/releasetools/build_image.py b/tools/releasetools/build_image.py
index 02f66b4..d749c9e 100755
--- a/tools/releasetools/build_image.py
+++ b/tools/releasetools/build_image.py
@@ -334,6 +334,13 @@
       build_command.extend(["-T", str(prop_dict["timestamp"])])
     if "uuid" in prop_dict:
       build_command.extend(["-U", prop_dict["uuid"]])
+    compressor = None
+    if "erofs_default_compressor" in prop_dict:
+      compressor = prop_dict["erofs_default_compressor"]
+    if "erofs_compressor" in prop_dict:
+      compressor = prop_dict["erofs_compressor"]
+    if compressor:
+      build_command.extend(["-z", compressor])
   elif fs_type.startswith("squash"):
     build_command = ["mksquashfsimage.sh"]
     build_command.extend([in_dir, out_file])
@@ -607,6 +614,7 @@
 
   common_props = (
       "extfs_sparse_flag",
+      "erofs_default_compressor",
       "erofs_sparse_flag",
       "squashfs_sparse_flag",
       "system_f2fs_compress",
@@ -626,6 +634,12 @@
   for p in common_props:
     copy_prop(p, p)
 
+  suffixed_props = (
+      "erofs_compressor",
+  )
+  for p in suffixed_props:
+      copy_prop("{}_{}".format(mount_point, p), p)
+
   d["mount_point"] = mount_point
   if mount_point == "system":
     copy_prop("avb_system_hashtree_enable", "avb_hashtree_enable")
diff --git a/tools/warn/cpp_warn_patterns.py b/tools/warn/cpp_warn_patterns.py
index 90759d9..b738086 100644
--- a/tools/warn/cpp_warn_patterns.py
+++ b/tools/warn/cpp_warn_patterns.py
@@ -93,6 +93,8 @@
          [r".*: warning: Null passed to a callee that requires a non-null"]),
     medium('Unused command line argument',
            [r".*: warning: argument unused during compilation: .+"]),
+    medium('Set but not used',
+           [r".*: warning: .* set but not used.*Wunused-but-set"]),
     medium('Unused parameter',
            [r".*: warning: unused parameter '.*'"]),
     medium('Unused function, variable, label, comparison, etc.',
diff --git a/tools/warn/tidy_warn_patterns.py b/tools/warn/tidy_warn_patterns.py
index 7018d10..1297966 100644
--- a/tools/warn/tidy_warn_patterns.py
+++ b/tools/warn/tidy_warn_patterns.py
@@ -23,15 +23,19 @@
 from .severity import Severity
 
 
-def tidy_warn_pattern(description, pattern):
+def tidy_warn(description, patterns):
   return {
       'category': 'C/C++',
       'severity': Severity.TIDY,
       'description': 'clang-tidy ' + description,
-      'patterns': [r'.*: .+\[' + pattern + r'\]$']
+      'patterns': patterns,
   }
 
 
+def tidy_warn_pattern(description, pattern):
+  return tidy_warn(description, [r'.*: .+\[' + pattern + r'\]$'])
+
+
 def simple_tidy_warn_pattern(description):
   return tidy_warn_pattern(description, description)
 
@@ -168,6 +172,8 @@
     simple_tidy_warn_pattern('portability-simd-intrinsics'),
     group_tidy_warn_pattern('portability'),
 
+    tidy_warn('TIMEOUT', [r".*: warning: clang-tidy aborted "]),
+
     # warnings from clang-tidy's clang-analyzer checks
     analyzer_high('clang-analyzer-core, null pointer',
                   [r".*: warning: .+ pointer is null .*\[clang-analyzer-core"]),