Roll src/third_party/skia a1ab899e9e3f..2444c0e9aa23 (2 commits)

https://skia.googlesource.com/skia.git/+log/a1ab899e9e3f..2444c0e9aa23


git log a1ab899e9e3f..2444c0e9aa23 --date=short --no-merges --format='%ad %ae %s'
2019-04-25 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 62e274e86c7e..1b0acbb5126e (7 commits)
2019-04-25 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src 7d439e099c7a..ea73ef568188 (418 commits)


Created with:
  gclient setdep -r src/third_party/skia@2444c0e9aa23

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=mtklein@chromium.org

Change-Id: Id43b720b741b37d9f3b904ce815dfccfa90f82e2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1582463
Reviewed-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@{#653927}