alternate textblobgeometrychange fix... just make our own surface if needed

This should decopple fixing the replay modes from revising the API.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1868553005

Review URL: https://codereview.chromium.org/1868553005
3 files changed