8144675: Add a filtering collector
Reviewed-by: psandoz, smarks

8136583: Core libraries should use blessed modifier order
Summary: Run blessed-modifier-order script (see bug)
Reviewed-by: psandoz, chegar, alanb, plevart

8075111: Mark testFlatMappingClose (from CollectorsTest) as serialization hostile
Reviewed-by: psandoz

8071600: Add a flat-mapping collector
Reviewed-by: smarks, chegar, briangoetz