Increase EIO retry count
am: c37c5c3410

Change-Id: Idfc957d24e6f5efe32cf68dc696355c456ffde34
diff --git a/recovery.cpp b/recovery.cpp
index 79b99b1..467b335 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -102,7 +102,8 @@
 static const char *LAST_KMSG_FILE = "/cache/recovery/last_kmsg";
 static const char *LAST_LOG_FILE = "/cache/recovery/last_log";
 static const int KEEP_LOG_COUNT = 10;
-static const int EIO_RETRY_COUNT = 2;
+// We will try to apply the update package 5 times at most in case of an I/O error.
+static const int EIO_RETRY_COUNT = 4;
 static const int BATTERY_READ_TIMEOUT_IN_SEC = 10;
 // GmsCore enters recovery mode to install package when having enough battery
 // percentage. Normally, the threshold is 40% without charger and 20% with charger.