Update cast_logs.proto with internal copies.

This CL is generated with export script.

Bug: internal b/166313191
Test: None
Change-Id: Ib76dd0731824f32ec265234c4e160fefc1195008
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2392915Reviewed-by: Ilya Sherman <isherman@chromium.org>
Commit-Queue: Guohui Deng <guohuideng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#804458}

third_party/metrics_proto/README.chromium

 Name: Metrics Protos
 Short Name: metrics_proto
 URL: This is the canonical public repository
-Version: 327401716
-Date: 2020/08/19 UTC
+Version: 329948683
+Date: 2020/09/03 UTC
 License: BSD
 Security Critical: Yes
 

third_party/metrics_proto/cast_logs.proto

@@ -254,7 +254,7 @@ message CastLogsProto {
   // Next tag: 13
   message CastDeviceMutableInfo {
     // This is the last type of reboot the device encountered
-    // Next tag: 14
+    // Next tag: 17
     enum RebootType {
       REBOOT_TYPE_UNKNOWN = 0;  // Fail to get reboot type from system property
       REBOOT_TYPE_FORCED = 1;   // Power removed from device
@@ -273,6 +273,16 @@ message CastLogsProto {
       REBOOT_TYPE_REGENERATE_CLOUD_ID = 12;
       // Reboot triggered due to successive OOM events.
       REBOOT_TYPE_REPEATED_OOM = 13;
+      // Reboot triggered when the utility process is found to be in
+      // crash loop.
+      REBOOT_TYPE_UTILITY_PROCESS_CRASH = 14;
+      // design doc go/fuchsia-session-restart-metrics
+      // Restart triggered due to graceful component teardown by the Fuchsia
+      // platform. Device has not rebooted.
+      REBOOT_TYPE_GRACEFUL_RESTART = 15;
+      // Restart triggered due to ungraceful component teardown by the Fuchsia
+      // platform. Device has not rebooted.
+      REBOOT_TYPE_UNGRACEFUL_RESTART = 16;
     }
     optional RebootType last_reboot_type = 1;