Roll src/third_party/angle 92b00ca88263..593706bcc066 (2 commits)

https://chromium.googlesource.com/angle/angle.git/+log/92b00ca88263..593706bcc066

git log 92b00ca88263..593706bcc066 --date=short --first-parent --format='%ad %ae %s'
2020-02-12 jmadill@chromium.org Test Runner: Increase default timeouts.
2020-02-12 lexa.knyazev@gmail.com Move dither from blend state to rasterizer state

Created with:
  gclient setdep -r src/third_party/angle@593706bcc066

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/angle-chromium-autoroll
Please CC courtneygo@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_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win-asan;luci.chromium.try:win_optional_gpu_tests_rel
Bug: None
Tbr: courtneygo@google.com
Change-Id: I6f532c78ee20eaa8c7d33013edd410b19eb6f55c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2052392Reviewed-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@{#740869}

DEPS

@@ -183,7 +183,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling ANGLE
   # and whatever else without interference from each other.
-  'angle_revision': '92b00ca882637cfaff897e689dcc50fa20c31143',
+  'angle_revision': '593706bcc0663639b6bb79949b769b71a59e56a4',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.