Roll Skia from 9496fe5bcec9 to ed289e777cfa (2 revisions)

https://skia.googlesource.com/skia.git/+log/9496fe5bcec9..ed289e777cfa

2020-11-19 johnstiles@google.com Simplify _blend_set_color_saturation, removing an instruction.
2020-11-19 michaelludwig@google.com Simplify layer bounds syncing and no-device error handling in SkCanvas::internalSaveLayer

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: I780d50e85b32d08fb3b455a23a08b0ceb2af82bc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2551423Reviewed-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@{#829510}

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': '9496fe5bcec9438958073ed8959627d20eaf8532',
+  'skia_revision': 'ed289e777cfa41c059b94e64e0c749fe47db563b',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.