Roll Skia from 2efafe688dd1 to 9ef7e206b9a2 (2 revisions)

https://skia.googlesource.com/skia.git/+log/2efafe688dd1..9ef7e206b9a2

2020-11-18 robertphillips@google.com Remove friending between GrRenderTask and GrDDLTask
2020-11-18 robertphillips@google.com Update the TopoSort test ...

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-autoroll
Please CC lovisolo@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux-blink-rel;luci.chromium.try:linux-chromeos-compile-dbg;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
Cq-Do-Not-Cancel-Tryjobs: true
Bug: None
Tbr: lovisolo@google.com
Change-Id: I6d16d2c5dc659fd0bdb2404d5549481d3f9f7e54
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2546869Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#828725}

DEPS

@@ -197,7 +197,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.
-  'skia_revision': '2efafe688dd1d92d8a4bbbbd7c54aa3fcca17c6f',
+  'skia_revision': '9ef7e206b9a2390eba0bb7b0d575b4b84235b71a',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.