Roll src/third_party/skia f12d67517903..4dbb96dfaa04 (4 commits)

https://skia.googlesource.com/skia.git/+log/f12d67517903..4dbb96dfaa04


git log f12d67517903..4dbb96dfaa04 --date=short --no-merges --format='%ad %ae %s'
2019-02-26 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader fe3d4978886b..8adf1fcd08d0 (2 commits)
2019-02-26 recipe-roller@chromium.org Roll recipe dependencies (trivial).
2019-02-26 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 024f271ae0c7..fe3d4978886b (1 commits)
2019-02-26 brianosman@google.com Particles: remove non-stable random, add better enum reflection


Created with:
  gclient setdep -r src/third_party/skia@4dbb96dfaa04

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=scroggo@chromium.org

Change-Id: I684d53946620eed63815fe82769f97ad250096de
Reviewed-on: https://chromium-review.googlesource.com/c/1490371Reviewed-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@{#635782}

DEPS

@@ -127,7 +127,7 @@ 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': 'f12d6751790300caacdc0a182f0558d35fca641d',
+  'skia_revision': '4dbb96dfaa04868b4ed00ca90513097b2d987625',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.