Roll ANGLE from 6a652f1ab5d7 to 27391a090ec2 (2 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/6a652f1ab5d7..27391a090ec2

2020-08-14 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SwiftShader from cda86eff6461 to abe07b943855 (1 revision)
2020-08-14 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SPIRV-Tools from df859f77dab3 to b4c4da3e7606 (2 revisions)

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 ynovikov@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_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;luci.chromium.try:linux-swangle-try-x64;luci.chromium.try:win-swangle-try-x86
Bug: None
Tbr: ynovikov@google.com
Change-Id: Ib5091f5d0873d04e1f8a3c8b521e2af6176b06c9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2355527Reviewed-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@{#798163}

DEPS

@@ -207,7 +207,7 @@ 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': '6a652f1ab5d7978634dc48137e3ca90820a7e734',
+  'angle_revision': '27391a090ec28a1bb09605d2f3e3140e660d3069',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.