Roll ANGLE from 4ab224f7b05a to c6fb0e5afbdb (10 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/4ab224f7b05a..c6fb0e5afbdb

2021-05-03 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Chromium from ae499a6ea7cf to 34166dd37ed5 (607 revisions)
2021-05-03 jmadill@chromium.org infra: Add trybot_analyze_config.
2021-05-03 tandrii@google.com [infra][realms] bump usage to 25% of all builds.
2021-05-03 timvp@google.com Fix Rolling ANGLE into AOSP
2021-05-03 jplate@google.com Add support for OpenCL ICD Loader
2021-05-03 angle-autoroll@skia-public.iam.gserviceaccount.com Roll vulkan-deps from c5559fe406e3 to 4676514cf188 (3 revisions)
2021-05-03 tandrii@google.com [infra] use realms on 5% of Angle builds.
2021-05-03 tandrii@google.com infra: init LUCI Realms config for Angle.
2021-05-03 tandrii@google.com infra: validate configs using lucicfg tool in PRESUBMIT.py
2021-05-03 tandrii@google.com infra: remove redundant ACL.

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 egdaniel@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: skia/skia.primary:Build-Debian10-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
Tbr: egdaniel@google.com
Change-Id: I3b147e5cd58eb7af996e121e24badb964194be4b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/404038
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 30726d6..8907e20 100644
--- a/DEPS
+++ b/DEPS
@@ -12,7 +12,7 @@
 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@4ab224f7b05ace9bcfcd00f0dd6d603b194091c8",
+  "third_party/externals/angle2"          : "https://chromium.googlesource.com/angle/angle.git@c6fb0e5afbdb81334a0b8e67f2c9ef1ed6eeb2b2",
   "third_party/externals/brotli"          : "https://skia.googlesource.com/external/github.com/google/brotli.git@e61745a6b7add50d380cfd7d3883dd6c62fc2c71",
   "third_party/externals/d3d12allocator"  : "https://skia.googlesource.com/external/github.com/GPUOpen-LibrariesAndSDKs/D3D12MemoryAllocator.git@169895d529dfce00390a20e69c2f516066fe7a3b",
   # Dawn requires jinja2 and markupsafe for the code generator, and tint for SPIRV compilation.