Switch to Telemetry data for experiment usage counts
Switch to Telemetry data for experiment usage counts

Issue #1039

flodolo/testpilot,lmorchard/testpilot,6a68/testpilot,mozilla/idea-town-server,mozilla/testpilot,lmorchard/testpilot,meandavejustice/testpilot,flodolo/testpilot,dannycoates/testpilot,6a68/testpilot,chuckharmston/testpilot,mathjazz/testpilot,6a68/testpilot,flodolo/testpilot,lmorchard/idea-town,lmorchard/idea-town-server,lmorchard/idea-town-server,clouserw/testpilot,chuckharmston/testpilot,meandavejustice/testpilot,meandavejustice/testpilot,mozilla/idea-town-server,lmorchard/idea-town-server,dannycoates/testpilot,lmorchard/testpilot,6a68/idea-town,chuckharmston/testpilot,lmorchard/idea-town,mozilla/idea-town-server,fzzzy/testpilot,lmorchard/idea-town,mozilla/idea-town,mathjazz/testpilot,6a68/idea-town,dannycoates/testpilot,mozilla/testpilot,mozilla/idea-town,dannycoates/testpilot,6a68/testpilot,clouserw/testpilot,fzzzy/testpilot,chuckharmston/testpilot,mathjazz/testpilot,fzzzy/testpilot,mozilla/idea-town-server,mozilla/idea-town,mozilla/testpilot,lmorchard/testpilot,meandavejustice/testpilot,6a68/idea-town,clouserw/testpilot,clouserw/testpilot,lmorchard/idea-town-server,mozilla/idea-town,6a68/idea-town,mozilla/testpilot,fzzzy/testpilot,mathjazz/testpilot,flodolo/testpilot,lmorchard/idea-town