Roll src/third_party/angle 1cc49bb2e230..93040c8d0d4a (4 commits)

https://chromium.googlesource.com/angle/angle.git/+log/1cc49bb2e230..93040c8d0d4a

git log 1cc49bb2e230..93040c8d0d4a --date=short --first-parent --format='%ad %ae %s'
2020-04-03 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/vulkan-loader/src ba07fa0be82c..bb74deab0a4d (1 commits)
2020-04-03 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/glslang/src 0b66fa3b62cb..b5757b95005b (1 commits)
2020-04-03 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/SwiftShader cb58662302c8..f99302c4efe6 (7 commits)
2020-04-03 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/spirv-tools/src f20c0d7971c6..e95fbfb1f509 (7 commits)

Created with:
  gclient setdep -r src/third_party/angle@93040c8d0d4a

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 cwallez@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;luci.chromium.try:linux-swangle-try-x64;luci.chromium.try:win-swangle-try-x86
Bug: None
Tbr: cwallez@google.com
Change-Id: I650b2f23d83c6f5dde51b9bea36b8b208a0875cb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2135600Reviewed-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@{#756232}

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': '1cc49bb2e230555fb3dc33d3400a5f7a0cefe943',
+  'angle_revision': '93040c8d0d4a90b9edb9a16993812988ceb50027',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.