Roll src/third_party/skia c8f285a7077e..6a07591a5577 (8 commits)

https://skia.googlesource.com/skia.git/+log/c8f285a7077e..6a07591a5577


git log c8f285a7077e..6a07591a5577 --date=short --no-merges --format='%ad %ae %s'
2019-05-31 herb@google.com Simplify calculation of the path gap.
2019-05-31 rmistry@google.com [G3 compile bot] Remove cl link
2019-05-31 michaelludwig@google.com Move GrQuad to src/gpu/geometry folder
2019-05-31 herb@google.com max glyph dimension == 0 means don't fallback
2019-05-31 fmalita@chromium.org [skottie] Add support for opacity text animators
2019-05-31 fmalita@chromium.org [skottie] Initial animated text properties support
2019-05-31 herb@google.com Remove unused enum
2019-05-31 robertphillips@google.com Implement color-based backend texture creation for Vulkan


Created with:
  gclient setdep -r src/third_party/skia@6a07591a5577

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=kjlubick@google.com

Change-Id: I25e45735fe9e00673d0f168a88c0e13d318a0d05
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1639101Reviewed-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@{#665306}

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': 'c8f285a7077effb2dc43043873d48f8d00247abb',
+  'skia_revision': '6a07591a5577b63893dc4018a7c54fc4bb28dbb2',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.