Add SafetyNet logging for payload timestamp error.

Bug: 36232423
Test: mma

Merged-In: Ica752e24e78e84350e13c66a2a0a56092f232d0b
Change-Id: Ica752e24e78e84350e13c66a2a0a56092f232d0b
(cherry picked from commit b75539b3ee05aa07b107fd711f010af54a80b0f2)
(cherry picked from commit c2edd69550306c42b8140ffe3035111fcbe52181)
diff --git a/update_attempter_android.cc b/update_attempter_android.cc
index a5c25c0..b80ee6e 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"
@@ -308,6 +309,11 @@
       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;