store supported versions of blockimgdiff in misc_info

Change-Id: Ibe14307aa49ffa75c9d69fb7bbdcb306780d74b4
diff --git a/core/Makefile b/core/Makefile
index d3fc6cc..a3f3757 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1395,6 +1395,7 @@
 	$(hide) echo "use_set_metadata=1" >> $(zip_root)/META/misc_info.txt
 	$(hide) echo "multistage_support=1" >> $(zip_root)/META/misc_info.txt
 	$(hide) echo "update_rename_support=1" >> $(zip_root)/META/misc_info.txt
+	$(hide) echo "blockimgdiff_versions=1,2" >> $(zip_root)/META/misc_info.txt
 ifneq ($(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_OEM_PROPERTIES),)
 	# OTA scripts are only interested in fingerprint related properties
 ifneq ($(filter ro.product.brand ro.product.name ro.product.device, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_OEM_PROPERTIES)),)