Roll src/third_party/skia a0ed070aa0c7..9313874349dd (5 commits)

https://skia.googlesource.com/skia.git/+log/a0ed070aa0c7..9313874349dd

git log a0ed070aa0c7..9313874349dd --date=short --no-merges --format='%ad %ae %s'
2019-08-23 egdaniel@google.com Rename GrContextOption fReduceOpListSplitting to fReduceOpsTaskSplitting.
2019-08-23 mtklein@google.com track SkNoPixelsDevice's origin
2019-08-23 reed@google.com remove redundant rect methods
2019-08-23 senorblanco@chromium.org Dawn: implement a ring buffer for uniform uploads.
2019-08-23 csmartdalton@google.com Don't pass around renderTargetContexts from onFlush callbacks

Created with:
  gclient setdep -r src/third_party/skia@9313874349dd

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.


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
TBR=egdaniel@google.com

Bug: None
Change-Id: I512d3e7f3ab3a49018ee7bca8ff015fb1b2eb75d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1769476Reviewed-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@{#690054}

DEPS

@@ -160,7 +160,7 @@ 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': 'a0ed070aa0c73a4281b2f35059d44feae1c74aea',
+  'skia_revision': '9313874349dd158596a312ceb339699b32d5788b',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.