Add zlib_fingerprint to target_files.zip

Test: make dist
Bug: 27156099

Change-Id: I4608de70ad4dfe6523b832bbf7002dcccefe932f
diff --git a/core/Makefile b/core/Makefile
index a964674..03543ef 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1727,6 +1727,7 @@
 ifeq ($(AB_OTA_UPDATER),true)
 	@# When using the A/B updater, include the updater config files in the zip.
 	$(hide) $(ACP) $(TOPDIR)system/update_engine/update_engine.conf $(zip_root)/META/update_engine_config.txt
+	$(hide) $(ACP) $(TARGET_OUT_COMMON_GEN)/zlib_fingerprint $(zip_root)/META/zlib_fingerprint.txt
 	$(hide) for part in $(AB_OTA_PARTITIONS); do \
 	  echo "$${part}" >> $(zip_root)/META/ab_partitions.txt; \
 	done