Merge "Update the doc to indicate that IAE can be thrown." into main

     *

     * @param receiver The BroadcastReceiver to unregister.

     *

     * @throws IllegalArgumentException if the {@code receiver} was not previously registered or

     *                                  already unregistered.

     * @see #registerReceiver

     */

    public abstract void unregisterReceiver(BroadcastReceiver receiver);