installer for new block OTA system

(Cherry-pick back from master.)

Bug: 16984795
Change-Id: Ifa3d8345c5e2a0be86fb28faa080ca82592a96b4
diff --git a/updater/Android.mk b/updater/Android.mk
index 99b4890..b183c92 100644
--- a/updater/Android.mk
+++ b/updater/Android.mk
@@ -4,6 +4,7 @@
 
 updater_src_files := \
 	install.c \
+	blockimg.c \
 	updater.c
 
 #