Move surface wait ops to GrRenderTasks.

Change-Id: Id989a666e67be85af6ed72447696657b8c11aaa5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/239443
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
10 files changed