WatchDog.java

https://blog.csdn.net/qq_27061049/article/details/130138701
https://cloud.tencent.com/developer/article/2100211

源码位置：frameworks/base/services/core/java/com/android/server/Watchdog.java

WatchDog可能会造成system_server进程重启，从而导致zygote重启。

742                 Slog.w(TAG, "*** WATCHDOG KILLING SYSTEM PROCESS: " + subject);
743                 WatchdogDiagnostics.diagnoseCheckers(blockedCheckers);
744                 Slog.w(TAG, "*** GOODBYE!");
745                 Process.killProcess(Process.myPid());
746                 System.exit(10);