Add SafetyNet logging for payload timestamp error.
am: c2edd69550

Change-Id: I161bb18d3115c11086975d79d2a254e396cd7798
diff --git a/update_attempter_android.cc b/update_attempter_android.cc
index dcdd989..da43b6a 100644
--- a/update_attempter_android.cc
+++ b/update_attempter_android.cc
@@ -26,6 +26,7 @@
 #include <brillo/bind_lambda.h>
 #include <brillo/message_loops/message_loop.h>
 #include <brillo/strings/string_utils.h>
+#include <log/log.h>
 
 #include "update_engine/common/constants.h"
 #include "update_engine/common/file_fetcher.h"
@@ -307,6 +308,11 @@
       LOG(INFO) << "Resetting update progress.";
       break;
 
+    case ErrorCode::kPayloadTimestampError:
+      // SafetyNet logging, b/36232423
+      android_errorWriteLog(0x534e4554, "36232423");
+      break;
+
     default:
       // Ignore all other error codes.
       break;