Add missing fields to ContinueAsNewOptions

[mfateev]

ContinueAsNewWorkflowExecutionDecisionAttributes public WorkflowType workflowType; // optional public TaskList taskList; // optional public ByteBuffer input; // optional public int executionStartToCloseTimeoutSeconds; // optional public int taskStartToCloseTimeoutSeconds; // optional public int backoffStartIntervalInSeconds; // optional public RetryPolicy retryPolicy; // optional public ContinueAsNewInitiator initiator; // optional public String failureReason; // optional public ByteBuffer failureDetails; // optional public ByteBuffer lastCompletionResult; // optional public String cronSchedule; // optional

public final class ContinueAsNewOptions { private Duration executionStartToCloseTimeout; private String taskList; private Duration taskStartToCloseTimeout;

[meiliang86]

@mfateev Glancing at this list, it seems that the only thing that makes sense to add but is currently missing is retryPolicy?