Merge "Add 5-seconds delay before unbinding CompanionDeviceService"

    private static final String TAG = "CDM_CompanionServiceConnector";

    private static final boolean DEBUG = false;

    /* Unbinding before executing the callbacks can cause problems. Wait 5-seconds before unbind. */

    private static final long UNBIND_POST_DELAY_MS = 5_000;

    /** Listener for changes to the state of the {@link CompanionDeviceServiceConnector}  */

    interface Listener {

        void onBindingDied(@UserIdInt int userId, @NonNull String packageName,

     * IMPORTANT: use this method instead of invoking {@link ServiceConnector#unbind()} directly,

     * because the latter may cause previously posted callback, such as

     * {@link ICompanionDeviceService#onDeviceDisappeared(AssociationInfo)} to be dropped.

     *

     * {@link ICompanionDeviceService} is a non-blocking interface and doesn't wait for job

     * completion, which makes {@link ServiceConnector#post(VoidJob)} obsolete for ensuring the

     * order of execution. Give 5 seconds for all the callbacks to finish before unbinding. They

     * may or may not have finished executing, but we shouldn't let user-overridden methods block

     * the service from unbinding indefinitely.

     */

    void postUnbind() {

        post(it -> unbind());

        getJobHandler().postDelayed(this::unbind, UNBIND_POST_DELAY_MS);

    }

    boolean isPrimary() {