[PORT] Added interruptions support to SkillDialog #1860
Description
Port this change from botbuilder-dotnet/master branch:
microsoft/botbuilder-dotnet#3507
Fixes #3506
Added RepromptDialogAsync and ResumeDialogAsync to SkillDialog.
Moved skill request handling logic into Dialog.RunAsync
Updated sample DialogToDialog sample to handle interruptions
Changed projects
- Microsoft.Bot.Builder.Dialogs
[Skills]