Revert of Disable layer hoisting for non-8888 canvases (patchset #2 id:20001 of https...

Revert of Disable layer hoisting for non-8888 canvases (patchset #2 id:20001 of https://codereview.chromium.org/1957433002/ )

Reason for revert:
Experimental revert to investigate perf regression

Original issue's description:
> Disable layer hoisting for non-8888 canvases
>
> This just stops the bleeding. A real fix would propagate the canvas' backing type down to the layer hoister.
>
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1957433002
>
> Committed: https://skia.googlesource.com/skia/+/4e30f27164179d344f0c8efa9a691d1bc9a53e3f

TBR=bsalomon@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review-Url: https://codereview.chromium.org/1961483002