Control fault injection with config files instead of build flags

Bug: 27724259
Change-Id: I65bdefed10b3fb85fcb9e1147eaf0687d7d438f4
diff --git a/updater/updater.cpp b/updater/updater.cpp
index ddc01e1..1693fa1 100644
--- a/updater/updater.cpp
+++ b/updater/updater.cpp
@@ -25,6 +25,7 @@
 #include "blockimg.h"
 #include "minzip/Zip.h"
 #include "minzip/SysUtil.h"
+#include "config.h"
 
 // Generated by the makefile, this function defines the
 // RegisterDeviceExtensions() function, which calls all the
@@ -84,6 +85,7 @@
                argv[3], strerror(err));
         return 3;
     }
+    ota_io_init(&za);
 
     const ZipEntry* script_entry = mzFindZipEntry(&za, SCRIPT_NAME);
     if (script_entry == NULL) {