Add two more enum values to RebootShlib::RebootSource

Bug: internal b/115289705
Change-Id: I849a3c28522d2d9bf15b7bfacd21cffe7530eb0a
Reviewed-on: https://chromium-review.googlesource.com/1232353Reviewed-by: Sergey Volk <servolk@chromium.org>
Commit-Queue: Yi-Chun Gina Ko <yichunko@google.com>
Cr-Commit-Position: refs/heads/master@{#592281}

chromecast/public/reboot_shlib.h

@@ -58,6 +58,13 @@ class CHROMECAST_EXPORT RebootShlib {
     // Only if SetFdrForNextReboot() has been called must reboot to result
     // in an OTA update.
     FDR = 8,
+
+    // A reboot caused by hardware watchdog. This requires additional
+    // information from the SoC. Otherwise, it can be categorized as forced.
+    HW_WATCHDOG = 9,
+
+    // A reboot caused by other software reason that is not listed above.
+    SW_OTHER = 10,
   };
 
   // Initializes any platform-specific reboot systems.

chromecast/system/reboot/reboot_util_core.cc

@@ -37,6 +37,8 @@ bool RebootUtil::IsValidRebootSource(RebootShlib::RebootSource reboot_source) {
     case RebootShlib::RebootSource::PROCESS_MANAGER:
     case RebootShlib::RebootSource::CRASH_UPLOADER:
     case RebootShlib::RebootSource::FDR:
+    case RebootShlib::RebootSource::HW_WATCHDOG:
+    case RebootShlib::RebootSource::SW_OTHER:
       return true;
     default:
       return false;