Roll Skia from 68e5f29d849a to e687db2bbe11 (3 revisions)

https://skia.googlesource.com/skia.git/+log/68e5f29d849a..e687db2bbe11

2020-07-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ANGLE from 08c4d09493bf to 20eb9be55299 (17 revisions)
2020-07-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll dawn from d0dd661f1805 to c4cebc7efae1 (3 revisions)
2020-07-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll SwiftShader from ea6f21a052c9 to 97f9923235cf (4 revisions)

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/+doc/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: chromium:1100599
Tbr: robertphillips@google.com
Test: Test: Test: CQTest: Test: Manual script execution and building in AOSPTest: Test: NBA 2K20 game playTest: Test: NBA2K20 MEC
Change-Id: Ife4d9c31bafd41ca2d0f32f57c0244c3591a799c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2309662Reviewed-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@{#790312}

DEPS

@@ -195,7 +195,7 @@ 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': '68e5f29d849a36edd9e9243dc05b88e4b288dd9b',
+  'skia_revision': 'e687db2bbe1101660e70eabf6f99d6e5f839d140',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.