Roll src/third_party/skia 059bf776c184..b2151310068b (3 commits)

https://skia.googlesource.com/skia.git/+log/059bf776c184..b2151310068b

git log 059bf776c184..b2151310068b --date=short --no-merges --format='%ad %ae %s'
2019-08-09 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 7424fe8b79c3..eb0479e245f0 (16 commits)
2019-08-09 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update Go deps
2019-08-09 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src 2cf71a3e..d9af708a (369 commits)

Created with:
  gclient setdep -r src/third_party/skia@b2151310068b

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=reed@google.com

Bug: chromium:None,chromium:None
Change-Id: I9046808a93168e577e0eef1342d72264c9e2fe01
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1746186Reviewed-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@{#685497}

DEPS

@@ -145,7 +145,7 @@ 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': '059bf776c18435573967f9a9f963e3ee24e9d265',
+  'skia_revision': 'b2151310068b35ea5a44e95e3dd1fcbcbab99448',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.