Adding resiliency with java SDK in workflow activity

[rahulpoddar-fyndna]

The workflow activity needs to support resiliency with java SDK. The dapr workflow document mentions about resiliency but seems to be missing in java SDK.

Refer
https://docs.dapr.io/developing-applications/building-blocks/workflow/workflow-features-concepts/#retry-policies

Support for this would be helpful.

[cicoyle]

The support for retry policy on wf activities was added in this PR. Here is an example of how the wf retry policy may be used. We will be releasing a new version of the java sdk very soon!