Roll src/third_party/angle 12a1c373822e..2709f40f3f23 (1 commits)

https://chromium.googlesource.com/angle/angle.git/+log/12a1c373822e..2709f40f3f23

git log 12a1c373822e..2709f40f3f23 --date=short --first-parent --format='%ad %ae %s'
2020-03-20 xiaoxuan.liu@arm.com Skip updating viewport and scissor info if the same

Created with:
  gclient setdep -r src/third_party/angle@2709f40f3f23

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: I96b389968d22b8fdeda3c07077f3a633f0c3fa35
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2112519Reviewed-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@{#752038}

DEPS

@@ -187,7 +187,7 @@ 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': '12a1c373822ea2caa502516164c60689b392272f',
+  'angle_revision': '2709f40f3f2361dcbf1476a0bdd16dda3a0d2b35',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.