private void setEnabled(boolean b) {
		watchdogExpiresAt.set(b ? System.currentTimeMillis() + defaultWatchdogTimeoutMS : -1);
	}
Called from a timer, checks to see if the watchdog is armed, and if it has expired.
<p>
Disarms itself before calling the timeoutMethod if the timeout period expired.
Ghidra/Framework/Generic/src/main/java/ghidra/util/timer/Watchdog.java