Roll src/third_party/skia 782a957f83c0..6c48aad1a347 (4 commits)

https://skia.googlesource.com/skia.git/+log/782a957f83c0..6c48aad1a347

git log 782a957f83c0..6c48aad1a347 --date=short --first-parent --format='%ad %ae %s'
2020-02-06 michaelludwig@google.com Fix compiler warning using mixed enum types
2020-02-06 brianosman@google.com Remove SkScalarClampMax and SkScalarPin
2020-02-06 brianosman@google.com Remove SkMin32/SkMax32
2020-02-06 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 f1b2c4bed48a..e9dc0201af3a (7 commits)

Created with:
  gclient setdep -r src/third_party/skia@6c48aad1a347

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 scroggo@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: scroggo@google.com
Change-Id: If1570ea93c5fa67b6e992e569d433a49415fa078
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2041809Reviewed-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@{#739079}

DEPS

@@ -171,7 +171,7 @@ 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': '782a957f83c0b5f7b6015f5f1b7a2f3553844783',
+  'skia_revision': '6c48aad1a347c7bd3d526fcb8c57662628bcdaab',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.