Roll Skia from ea8be2120ee6 to 46a324a16c4b (3 revisions)

https://skia.googlesource.com/skia.git/+log/ea8be2120ee6..46a324a16c4b

2020-08-10 robertphillips@google.com Move GrSmallPathAtlasMgr to its own file and out-line
2020-08-10 johnstiles@google.com Update style guidance for [[fallthrough]].
2020-08-10 robertphillips@google.com Clarify that the GrDirectContext uniquely holds the text atlas manager

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 fmalita@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:1108408
Tbr: fmalita@google.com
Change-Id: Ic7c0a29b43c2382688581f040b872832d01d14c4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2346883Reviewed-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@{#796537}

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': 'ea8be2120ee65e35d053baa6925eb9413751ad44',
+  'skia_revision': '46a324a16c4b28a2d01af305e6a469d7017e0a4a',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.