Roll src/third_party/skia 2329da078aca..78184a3ce63d (6 commits)

https://skia.googlesource.com/skia.git/+log/2329da078aca..78184a3ce63d

git log 2329da078aca..78184a3ce63d --date=short --first-parent --format='%ad %ae %s'
2020-01-25 reed@google.com Revert "convert sample completely to SkM4"
2020-01-25 reed@google.com convert sample completely to SkM4
2020-01-25 bsalomon@google.com Revert "Use bitmap subset for comparison in texture_domain_effect GMs."
2020-01-25 bsalomon@google.com Use bitmap subset for comparison in texture_domain_effect GMs.
2020-01-25 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2020-01-24 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).

Created with:
  gclient setdep -r src/third_party/skia@78184a3ce63d

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 benjaminwagner@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/+/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: benjaminwagner@google.com
Change-Id: I48661d81aa39ca7a8b7b41cbe8414836cd842664
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2021438Reviewed-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@{#735230}

DEPS

@@ -181,7 +181,7 @@ 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': '2329da078acaf20ee745b0b638d58bcc1a6118d7',
+  'skia_revision': '78184a3ce63def029c289e8aeb76fae03430e583',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.