diff --git a/core/Makefile b/core/Makefile
index c51babb..a848630 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1607,16 +1607,35 @@
 
 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_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 +1643,9 @@
 # $(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 +1658,37 @@
     $(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)
 
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/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/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_config.mk b/core/product_config.mk
index 54fbb7d..8045337 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)
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..9429d38 100644
--- a/core/rust_device_test_config_template.xml
+++ b/core/rust_device_test_config_template.xml
@@ -17,11 +17,11 @@
 <configuration description="Config to run {MODULE} device tests.">
     <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/target/product/gsi/current.txt b/target/product/gsi/current.txt
index 755d85e..ca793ed 100644
--- a/target/product/gsi/current.txt
+++ b/target/product/gsi/current.txt
@@ -95,6 +95,8 @@
 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.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/runtime_libart.mk b/target/product/runtime_libart.mk
index b511aa6..1d52b9f 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.
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"],
+    )