Roll src/third_party/skia eca1091a52a8..a88cab1ad9f2 (2 commits)

https://skia.googlesource.com/skia.git/+log/eca1091a52a8..a88cab1ad9f2

git log eca1091a52a8..a88cab1ad9f2 --date=short --first-parent --format='%ad %ae %s'
2020-01-09 brianosman@google.com Add CachingHint to makeRasterImage, default to kDisallow
2020-01-09 mtklein@google.com add back src-in-gamut tracking

Created with:
  gclient setdep -r src/third_party/skia@a88cab1ad9f2

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-autoroll
Please CC jvanverth@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

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
Bug: None
Tbr: jvanverth@google.com
Change-Id: I61d9f24777b0756af928937898931f25f0d3903e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1993425Reviewed-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@{#729805}

DEPS

@@ -181,7 +181,7 @@ 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': 'eca1091a52a8c0d1a964d3faf1b513adffa351d8',
+  'skia_revision': 'a88cab1ad9f2df77203de01756bc0b26f3648fee',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.