Roll Skia from 8e660dd467bc to d970d657aa56 (2 revisions)

https://skia.googlesource.com/skia.git/+log/8e660dd467bc..d970d657aa56

2020-09-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ANGLE from 8d4331eeb5ea to 48588bd1810d (27 revisions)
2020-09-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll Chromium from 33c87dad to 688a0b34 (560 revisions)

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 csmartdalton@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: chromium:895969
Tbr: csmartdalton@google.com
Test: Test: Test: CQTest: Test: DrawCallPerfBenchmark.Run/vulkan_attrib_changeTest: Test: DrawCallPerfBenchmark.Run/vulkan_null_attrib_changeTest: Test: angle_unittests with --bot-mode, sharding, and filter
Change-Id: Id9e40cdb633f3d805719aac64e4eb06661bbc813
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2421002Reviewed-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@{#808788}

DEPS

@@ -195,7 +195,7 @@ 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': '8e660dd467bcfb7e3d9ef40e38da5624e46e7064',
+  'skia_revision': 'd970d657aa5684e30782d2797755aa99d0b70e59',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.