设备采用全志T3芯片，Android4.4系统。
在对相册等APP进行压测时，通过录像发现设备在21:55左右重启了。
问题分析：我们抓取了logcat日志，内核日志，trace日志以及tomstorm日志。
logcat日志中我们发现是watchdog杀掉了系统进程导致系统重启的。
05-30 21:54:58.776 W/Watchdog( 2190): *** WATCHDOG KILLING SYSTEM PROCESS: Blocked in monitor com.android.server.am.ActivityManagerService on foreground thread (android.fg), Blocked in handler on WindowManager thread (WindowManager) 05-30 21:54:58.776 W/Watchdog( 2190): foreground thread stack trace: 05-30 21:54:58.776 W/Watchdog( 2190): at com.android.server.am.ActivityManagerService.monitor(ActivityManagerService.java:16230) 05-30 21:54:58.776 W/Watchdog( 2190): at com.android.server.Watchdog$HandlerChecker.run(Watchdog.java:181) 05-30 21:54:58.776 W/Watchdog( 2190): at android.os.Handler.handleCallback(Handler.java:733) 05-30 21:54:58.776 W/Watchdog( 2190): at android.os.Handler.dispatchMessage(Handler.java:95) 05-30
