Summary: handle reentrancy in both AAShapePipe and MarlinRenderingEngine using new sun.java2d.ReentrantContextProvider implementations
Reviewed-by: flar, prr

Reviewed-by: prr, flar

Reviewed-by: flar, prr

Reviewed-by: phh, andrew

Reviewed-by: prr, flar

Reviewed-by: prr, flar

Reviewed-by: phh, andrew

Summary: Include Marlin changes from 8149896 to avoid need to introduce FloatMath.powerOfTwoD
Reviewed-by: alexsch, andrew

Reviewed-by: flar, prr

Summary: use first / last Y crossings to compute edge min/max Y and ensure consistency with edgeBuckets / edgeBucketCounts arrays
Reviewed-by: flar, prr