[CCBM] Rename MarkerSet/InvMarkerSet
[CCBM] Rename MarkerSet/InvMarkerSet

Summary: This diff renames MarkerSet/InvMarkerSet to StartedMarkers/EndedMarkers.

Reviewed By: ngorogiannis

Differential Revision: D22524768

fbshipit-source-id: 9b9d36c92

facebook/infer,jvillard/infer,jvillard/infer,jvillard/infer,jvillard/infer,jvillard/infer,facebook/infer,facebook/infer,facebook/infer,facebook/infer,jvillard/infer,facebook/infer,facebook/infer,jvillard/infer