Fix various draw ops that may incorrectly not scissor

bug:8965976

Also consolidates quickReject scissor-ing and scissor-less paths.
Renamed plain 'quickReject' method, as it has sideEffects beyond what
the java and skia canvases do.

Change-Id: I4bdf874d3c8f469d283eae1e71c5e7ea53d47016