Merge "init: report shutdown,container for sigterm of init"

bootstat/bootstat.cpp

@@ -204,6 +204,7 @@ const std::map<std::string, int32_t> kBootReasonMap = {
     {"reboot,shell", 66},
     {"reboot,adb", 67},
     {"reboot,userrequested", 68},
+    {"shutdown,container", 69},  // Host OS asking Android Container to shutdown
 };
 
 // Converts a string value representing the reason the system booted to an

init/init.cpp

@@ -417,8 +417,7 @@ static void HandleSigtermSignal() {
         return;
     }
 
-    LOG(INFO) << "Handling SIGTERM, shutting system down";
-    HandlePowerctlMessage("shutdown");
+    HandlePowerctlMessage("shutdown,container");
 }
 
 static void InstallSigtermHandler() {