Separate Task queue for each Activity

Hi @ravi.ov

This example is not using separate activity stubs for each taskqueue.

It would be something like this:

    private final Account lightMethod = Workflow.newActivityStub(Account.class, ActivityOptions.newBuilder()
            .setTaskQueue("taskQueue-lightMethod").build());

    private final Account_2 cpuIntensiveMethod = Workflow.newActivityStub(Account_2.class, ActivityOptions.newBuilder()
            .setTaskQueue("taskQueue-cpuIntensiveMethod").build());

    @Override
    public void transfer(
            String fromAccountId, String toAccountId, String referenceId, int amountCents) {
        lightMethod.withdraw(fromAccountId, referenceId, amountCents);
        cpuIntensiveMethod.deposit(toAccountId, referenceId, amountCents);
    }