Roll Skia from aa8c4617869e to 658ae8fc6aba (3 revisions)

https://skia.googlesource.com/skia.git/+log/aa8c4617869e..658ae8fc6aba

2020-10-09 johnstiles@google.com Reland "Put top level FPs into their own functions"
2020-10-09 ethannicholas@google.com refactored more SkSL IRNodes
2020-10-09 egdaniel@google.com Reland "Rename GrStencilAttachment class to generic GrAttachment"

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 jvanverth@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: jvanverth@google.com
Change-Id: I1879227438e14b155bb10b8fc2f5883c47382f03
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2463255Reviewed-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@{#815645}

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': 'aa8c4617869e54cc6015b1b2d7a7bf5f512689b8',
+  'skia_revision': '658ae8fc6aba3e987cf3b4cf711ba308435a3f64',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.