Merge "Add introduced API level in doc" into main

            that created the task, and therefore there will only be one instance of this activity

            in a task. In contrast to the {@code singleTask} launch mode, this activity can be

            started in multiple instances in different tasks if the

            {@code FLAG_ACTIVITY_MULTIPLE_TASK} or {@code FLAG_ACTIVITY_NEW_DOCUMENT} is set.-->

            {@code FLAG_ACTIVITY_MULTIPLE_TASK} or {@code FLAG_ACTIVITY_NEW_DOCUMENT} is set.

            This enum value is introduced in API level 31. -->

        <enum name="singleInstancePerTask" value="4" />

    </attr>

    <!-- Specify the orientation an activity should be run in.  If not