Merge "Do not fetch tasks that don't have activities." into klp-dev

            int numActivities = 0;

            int numRunning = 0;

            final ArrayList<ActivityRecord> activities = task.mActivities;

            if (activities.isEmpty()) {

                continue;

            }

            for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {

                r = activities.get(activityNdx);