assistant-sdk: stop active participant slots with mixer#851

kevinwhereby wants to merge 4 commits into

mainwhereby/sdk:mainfrom

kevinhanna/pan-2373-gracefully-shutdown-sdk-when-local-client-is-kicked-fromwhereby/sdk:kevinhanna/pan-2373-gracefully-shutdown-sdk-when-local-client-is-kicked-fromCopy head branch name to clipboard