Roll src/third_party/skia 1ae6ac81e68a..afa3e0ca167b (4 commits)

https://skia.googlesource.com/skia.git/+log/1ae6ac81e68a..afa3e0ca167b


git log 1ae6ac81e68a..afa3e0ca167b --date=short --no-merges --format='%ad %ae %s'
2019-06-25 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 900e1dac1b2d..e899321b0bf7 (7 commits)
2019-06-25 mtklein@google.com assemble directly into mmap'd memory
2019-06-25 brianosman@google.com ByteCode: Improved ExternalValue interface
2019-06-25 bsalomon@google.com Trace events in Gr[Vk]Gpu, GrVkCommandBuffer, GrVkCommandPool, and GrVkResoureProvider.


Created with:
  gclient setdep -r src/third_party/skia@afa3e0ca167b

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

BUG=chromium:919885
TBR=djsollen@google.com

Change-Id: I4790c2da23786011de5544bce79359c53d45cf17
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1675225Reviewed-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@{#671970}

DEPS

@@ -138,7 +138,7 @@ 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': '1ae6ac81e68a98067d82b64a22af141a3c06f288',
+  'skia_revision': 'afa3e0ca167bdbe31cf389fbd5aa351f9bcc484d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.