Roll Skia from fc8ba49c06f7 to 4470ba1491e5 (3 revisions)

https://skia.googlesource.com/skia.git/+log/fc8ba49c06f7..4470ba1491e5

2020-07-31 skia-autoroll@skia-public.iam.gserviceaccount.com Roll skcms from 8da4cb002cb4 to b1f9041ffe31 (1 revision)
2020-07-31 ethannicholas@google.com SkSL include files are now stored in a binary format
2020-07-31 bsalomon@google.com Add option to LazyYUVImage to build mip maps

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 borenet@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
Bug: None
Tbr: borenet@google.com
Change-Id: Ie09c8adc6acec1e47f4360dd13074d1d8ea050e4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2332552Reviewed-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@{#793627}

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': 'fc8ba49c06f72e58895d597e1ccdabca21784f86',
+  'skia_revision': '4470ba1491e555c4bb9d6695eb444b6a1b3a0c6b',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.