Roll ANGLE from 1e59a0e12e6d to 3942e801a65b (3 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/1e59a0e12e6d..3942e801a65b

2020-11-05 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SPIRV-Tools from bcf5b211db92 to c2b2b5788575 (3 revisions)
2020-11-05 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SwiftShader from 19f01495a8a1 to ad54c71632cc (2 revisions)
2020-11-05 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Vulkan-Loader from 07bbf14a831b to f635feea18cb (1 revision)

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/+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: courtneygo@google.com
Change-Id: I9dc2379151e9122be78c0df81411994283b176ee
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2520394Reviewed-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@{#824419}

DEPS

@@ -218,7 +218,7 @@ 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': '1e59a0e12e6d8af582bfcf091a1f5b3334c1985d',
+  'angle_revision': '3942e801a65b780296f526f10704c9668d499942',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.