Merge "ContextHubClient: Disallow reliable broadcast messages" into main

    @FlaggedApi(Flags.FLAG_RELIABLE_MESSAGE)

    public ContextHubTransaction<Void> sendReliableMessageToNanoApp(

            @NonNull NanoAppMessage message) {

        if (!Flags.reliableMessageImplementation()) {

            return null;

        }

        ContextHubTransaction<Void> transaction =

                new ContextHubTransaction<>(ContextHubTransaction.TYPE_RELIABLE_MESSAGE);

        if (!mAttachedHub.supportsReliableMessages()) {

        if (!Flags.reliableMessageImplementation() ||

            !mAttachedHub.supportsReliableMessages() ||

            message.isBroadcastMessage()) {

            transaction.setResponse(new ContextHubTransaction.Response<Void>(

                    ContextHubTransaction.RESULT_FAILED_NOT_SUPPORTED, null));

            return transaction;