Add a 16K boot partition OTA target

This OTA will be used to switch real devices to 16K kernel

Test: th
Bug: 293313353
Change-Id: I7a5866fd6f7f4ba6646af019386085ea2646c93f
diff --git a/core/Makefile b/core/Makefile
index ce0ecdc..982e0c1 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1106,6 +1106,13 @@
 bootimage_16k: $(BUILT_BOOTIMAGE_16K_TARGET)
 .PHONY: bootimage_16k
 
+BUILT_BOOT_OTA_PACKAGE_16K := $(PRODUCT_OUT)/boot_ota_16k.zip
+$(BUILT_BOOT_OTA_PACKAGE_16K): $(OTA_FROM_RAW_IMG) $(BUILT_BOOTIMAGE_16K_TARGET)
+	$(OTA_FROM_RAW_IMG) --path $(HOST_OUT) --partition_name boot --output $@ $(BUILT_BOOTIMAGE_16K_TARGET)
+
+boototapackage_16k: $(BUILT_BOOT_OTA_PACKAGE_16K)
+.PHONY: boototapackage_16k
+
 endif