Roll src/third_party/skia 59d894e2d057..e242d0ea937c (3 commits)

https://skia.googlesource.com/skia.git/+log/59d894e2d057..e242d0ea937c

git log 59d894e2d057..e242d0ea937c --date=short --no-merges --format='%ad %ae %s'
2019-09-30 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-09-30 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-09-30 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 7f506bde16f1..71c1138d6739 (6 commits)

Created with:
  gclient setdep -r src/third_party/skia@e242d0ea937c

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 rmistry@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
TBR=rmistry@google.com

Bug: chromium:None
Change-Id: I3c713ba737a798f1e2a618c41cdcdc51e2326b0f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1830514Reviewed-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@{#701071}

DEPS

@@ -167,7 +167,7 @@ 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': '59d894e2d057831e2010c9377bfeac634ee42a50',
+  'skia_revision': 'e242d0ea937c893f16b7d0f2b7003c037f9f5f79',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.