Merge "Return the activity type of any child activity in the Task" into tm-dev

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Objects;

import java.util.Set;

import java.util.function.Consumer;

import java.util.function.Predicate;

        final Task task = isAddingActivity ? getTask() : null;

        // If this task had any activity before we added this one.

        boolean taskHadActivity = task != null && task.getActivity(Objects::nonNull) != null;

        boolean taskHadActivity = task != null && task.getTopMostActivity() != null;

        // getActivityType() looks at the top child, so we need to read the type before adding

        // a new child in case the new child is on top and UNDEFINED.

        final int activityType = task != null ? task.getActivityType() : ACTIVITY_TYPE_UNDEFINED;

        if (applicationType != ACTIVITY_TYPE_UNDEFINED || !hasChild()) {

            return applicationType;

        }

        final ActivityRecord activity = getTopNonFinishingActivity();

        final ActivityRecord activity = getTopMostActivity();

        return activity != null ? activity.getActivityType() : getTopChild().getActivityType();

    }