Roll src/third_party/skia 6cb8168c2b9b..e5ca6ba2c84c (3 commits)

https://skia.googlesource.com/skia.git/+log/6cb8168c2b9b..e5ca6ba2c84c

git log 6cb8168c2b9b..e5ca6ba2c84c --date=short --first-parent --format='%ad %ae %s'
2020-03-24 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 31e36a631345..6fead3754375 (1 commits)
2020-03-24 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 22d73d15e778..6c11cf2ad9ca (5 commits)
2020-03-24 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src be0a271f..6af71a8d (354 commits)

Created with:
  gclient setdep -r src/third_party/skia@e5ca6ba2c84c

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 robertphillips@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: robertphillips@google.com
Change-Id: I7c03b541c87a0a4d52596a2ba6e5bd2c3afcecfd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2117473Reviewed-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@{#752758}

DEPS

@@ -175,7 +175,7 @@ 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': '6cb8168c2b9b757110883a6974e45c7f76db228c',
+  'skia_revision': 'e5ca6ba2c84c029ae3ce15a141927d6f621311ae',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.