Fix unintentional cpu_sync=true and deprecate sk_sp<SkSurface> APIs

As per the linked bugs, this was causing a severe performance
regression.

Change-Id: Ibacf842408cee1eb434795437c8bbe0dc5244c8e
Bug: b/291711510, chromium:1475906
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/750403
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Kevin Lubick <kjlubick@google.com>
(cherry picked from commit 02fa14799c6ca5581f6e21011438d6287b4c5e7a)
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/751517