Moved otel support for polling into poller#3279

LarryOsterman wants to merge 2 commits intoAzure:mainAzure/azure-sdk-for-rust:mainfrom

LarryOsterman:larryo/public_api_futureLarryOsterman/azure-sdk-for-rust:larryo/public_api_futureCopy head branch name to clipboard