Roll Skia from e5e8e66e9b4f to a2d6b31f66f5 (5 revisions)

https://skia.googlesource.com/skia.git/+log/e5e8e66e9b4f..a2d6b31f66f5

2020-11-05 ethannicholas@google.com Additional SkSL benches
2020-11-05 michaelludwig@google.com Use GrTBlockList instead of SkAutoSTMalloc to reduce GrAtlasTextOp size
2020-11-05 johnstiles@google.com Allow constant propagation for negated constant-vectors and ints.
2020-11-05 michaelludwig@google.com Compact fixed state tracked in GrAtlasTextOp
2020-11-05 fmalita@chromium.org [svg] Minor parser tweaks

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 bsalomon@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: bsalomon@google.com
Change-Id: Ie75d6dea0f30a224c706d01c0157b76b183da114
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2521774Reviewed-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@{#824593}

DEPS

@@ -206,7 +206,7 @@ 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': 'e5e8e66e9b4fc409da400a773a1bfea90ec5f0da',
+  'skia_revision': 'a2d6b31f66f5803cb40d8ec8cb7d2cae7b086365',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.