Make idle-channel pool cleaner reap in a single O(n) pass#2225

pavel-ptashyts wants to merge 2 commits into

AsyncHttpClient:mainAsyncHttpClient/async-http-client:mainfrom

maygemdev:perf/pool-cleaner-linear-reapmaygemdev/async-http-client:perf/pool-cleaner-linear-reapCopy head branch name to clipboard