Roll third_party/externals/angle2 2dd40d7fa75c..c8676d4ba37d (10 commits)

https://chromium.googlesource.com/angle/angle.git/+log/2dd40d7fa75c..c8676d4ba37d

git log 2dd40d7fa75c..c8676d4ba37d --date=short --first-parent --format='%ad %ae %s'
2020-02-18 xinghua.cao@intel.com Unlimit texture size on relatively new linux
2020-02-18 jmadill@chromium.org Revert "Use newer OSX SDK for iOS"
2020-02-17 jmadill@chromium.org Use newer OSX SDK for iOS
2020-02-17 lehoangq@gmail.com Metal: Fixed memory leak due to the CAMetalLayer still attached to super layer
2020-02-17 khushalsagar@chromium.org Only enable robust client memory if the context supports validation.
2020-02-17 cwallez@chromium.org Revert "Provide default implementation of rx::DisplayEGL"
2020-02-17 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/spirv-tools/src 6c218ec60b5f..77fefe765c06 (1 commits)
2020-02-17 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/vulkan-validation-layers/src 73d377fae66e..211ee9c4eec1 (3 commits)
2020-02-17 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/vulkan-headers/src 726435870206..9bd3f561bcee (1 commits)
2020-02-17 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/SwiftShader f9f999f5a2eb..481daed34f15 (2 commits)

Created with:
  gclient setdep -r third_party/externals/angle2@c8676d4ba37d

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/angle-skia-autoroll
Please CC lovisolo@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: skia/skia.primary:Build-Debian9-Clang-x86_64-Release-ANGLE;skia/skia.primary:Test-Win10-Clang-AlphaR2-GPU-RadeonR9M470X-x86_64-Debug-All-ANGLE;skia/skia.primary:Test-Win10-Clang-Golo-GPU-QuadroP400-x86_64-Debug-All-ANGLE;skia/skia.primary:Test-Win10-Clang-NUC5i7RYH-GPU-IntelIris6100-x86_64-Debug-All-ANGLE;skia/skia.primary:Test-Win10-Clang-NUC6i5SYK-GPU-IntelIris540-x86_64-Debug-All-ANGLE;skia/skia.primary:Test-Win10-Clang-NUC8i5BEK-GPU-IntelIris655-x86_64-Debug-All-ANGLE;skia/skia.primary:Test-Win10-Clang-NUCD34010WYKH-GPU-IntelHD4400-x86_64-Debug-All-ANGLE
Bug: None
Tbr: lovisolo@google.com
Change-Id: I90479aa67b385fcd51c907b43d626e205d380b7e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/271436
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index 7031042..8de7df1 100644
--- a/DEPS
+++ b/DEPS
@@ -7,7 +7,7 @@
 deps = {
   "buildtools"                            : "https://chromium.googlesource.com/chromium/buildtools.git@505de88083136eefd056e5ee4ca0f01fe9b33de8",
   "common"                                : "https://skia.googlesource.com/common.git@9737551d7a52c3db3262db5856e6bcd62c462b92",
-  "third_party/externals/angle2"          : "https://chromium.googlesource.com/angle/angle.git@2dd40d7fa75c9e68c352b16dcf3b06d2e5a1a406",
+  "third_party/externals/angle2"          : "https://chromium.googlesource.com/angle/angle.git@c8676d4ba37d6fb947ddaf13f6e87c277575e413",
   "third_party/externals/dawn"            : "https://dawn.googlesource.com/dawn.git@604072bc2ed01018eb03bcbbf9d94042f679af63",
   "third_party/externals/dng_sdk"         : "https://android.googlesource.com/platform/external/dng_sdk.git@c8d0c9b1d16bfda56f15165d39e0ffa360a11123",
   "third_party/externals/egl-registry"    : "https://skia.googlesource.com/external/github.com/KhronosGroup/EGL-Registry@a0bca08de07c7d7651047bedc0b653cfaaa4f2ae",