build_image.py recognize BOARD_PRODUCTIMAGE_PARTITION_RESERVED_SIZE

Test: builds
Bug: 79106666
Change-Id: I26aba694fd3d6a2feed7601524dde52569ba41e2
diff --git a/core/Makefile b/core/Makefile
index d694f85..9f166cc 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1211,6 +1211,7 @@
     $(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 $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PRODUCT_BASE_FS_PATH),$(hide) echo "product_base_fs_file=$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PRODUCT_BASE_FS_PATH)" >> $(1))
+    $(if $(BOARD_PRODUCTIMAGE_PARTITION_RESERVED_SIZE),$(hide) echo "product_reserved_size=$(BOARD_PRODUCTIMAGE_PARTITION_RESERVED_SIZE)" >> $(1))
 )
 $(if $(filter $(2),productservices),\
     $(if $(BOARD_PRODUCT_SERVICESIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "productservices_fs_type=$(BOARD_PRODUCT_SERVICESIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
@@ -2264,8 +2265,11 @@
   $(call generate-image-prop-dictionary, $(productimage_intermediates)/product_image_info.txt,product,skip_fsck=true)
   $(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH \
       ./build/tools/releasetools/build_image.py \
-      $(TARGET_OUT_PRODUCT) $(productimage_intermediates)/product_image_info.txt $(INSTALLED_PRODUCTIMAGE_TARGET) $(TARGET_OUT)
-  $(hide) $(call assert-max-image-size,$(INSTALLED_PRODUCTIMAGE_TARGET),$(BOARD_PRODUCTIMAGE_PARTITION_SIZE))
+      $(TARGET_OUT_PRODUCT) $(productimage_intermediates)/product_image_info.txt $(INSTALLED_PRODUCTIMAGE_TARGET) $(TARGET_OUT) \
+      $(productimage_intermediates)/generated_product_image_info.txt
+  $(hide) $(call assert-max-image-size,$(INSTALLED_PRODUCTIMAGE_TARGET),\
+      $(call read-image-prop-dictionary,\
+          $(productimage_intermediates)/generated_product_image_info.txt,product_size))
 endef
 
 # We just build this directly to the install location.