Roll src/third_party/skia 197c58647161..068af9e416cb (2 commits)

https://skia.googlesource.com/skia.git/+log/197c58647161..068af9e416cb

git log 197c58647161..068af9e416cb --date=short --no-merges --format='%ad %ae %s'
2019-08-22 brianosman@google.com Revert "Temporary Lua hook to measure impact of conservative convexity"
2019-08-22 brianosman@google.com Enable SkSL interpreter in CanvasKit to get particles working again

Created with:
  gclient setdep -r src/third_party/skia@068af9e416cb

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: I83a294f76c093ce21345f7101ea743e490856964
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1764866Reviewed-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@{#689524}

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': '197c586471617d3395d60c8c159169f339cca52c',
+  'skia_revision': '068af9e416cbdb55f03644c581413b1eecaa4318',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.