No Bug - Make saving the screenshot non-blocking. I moved this call as-is from Quit() which had to be blocking since we were going to be exiting as-is. However, now that it is outside immediate death, we can do it async. r=me

embedding/android/GeckoApp.java

@@ -1160,7 +1160,7 @@ abstract public class GeckoApp
     public void onPause()
     {
         Log.i(LOG_NAME, "pause");
-        rememberLastScreen(true);
+        rememberLastScreen(false);
 
         GeckoAppShell.sendEventToGecko(new GeckoEvent(GeckoEvent.ACTIVITY_PAUSING));
         // The user is navigating away from this activity, but nothing