Skip empty old log router ranges#13163

tclinkenbeard-oai wants to merge 4 commits intoapple:mainapple/foundationdb:mainfrom

tclinkenbeard-oai:dev/tclinkenbeard/log-router-empty-old-rangetclinkenbeard-oai/foundationdb:dev/tclinkenbeard/log-router-empty-old-rangeCopy head branch name to clipboard