Roll src/third_party/angle 240befe55bb3..8d94b5e9339a (7 commits)

https://chromium.googlesource.com/angle/angle.git/+log/240befe55bb3..8d94b5e9339a

git log 240befe55bb3..8d94b5e9339a --date=short --no-merges --format='%ad %ae %s'
2019-11-20 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/vulkan-validation-layers/src c2bd11586919..720c5deb0244 (11 commits)
2019-11-20 tobine@google.com Vulkan:Disable AtomicCounterBuffer tests on Vulkan
2019-11-19 flibitijibibo@gmail.com Headers: Add EGLAPI to SwapBuffersWithFrameTokenANGLE
2019-11-19 courtneygo@google.com Vulkan: Ensure consistent limits for texture & framebuffer
2019-11-19 mihu@microsoft.com EXT_multisampled_render_to_texture clean up and prep for 2DMultisampleArray.
2019-11-19 syoussefi@chromium.org Skip crashing KHR tests on Nvidia
2019-11-19 shrekshao@google.com Skip TextureNorm16Test on Nexus6P

Created with:
  gclient setdep -r src/third_party/angle@8d94b5e9339a

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_optional_gpu_tests_rel
TBR=courtneygo@google.com

Bug: chromium:None,chromium:1024387
Change-Id: Ib8046ab83905a0b895b25c98a6ab0f0bff174c32
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1925878Reviewed-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@{#716968}

DEPS

@@ -184,7 +184,7 @@ 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': '240befe55bb3cf960d6efdb26482e41ec7821e24',
+  'angle_revision': '8d94b5e9339ac425afdb9ffe5185b4c1a87b8db9',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.