Roll ANGLE from b47cc50aadb6 to 62a2f51304f9 (5 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/b47cc50aadb6..62a2f51304f9

2020-06-23 syoussefi@chromium.org Vulkan: Remove DispatchHelper
2020-06-23 nguyenmh@google.com Re-enable presubmit commit message format check
2020-06-23 jmadill@chromium.org Update glslang_validator binary for Windows.
2020-06-23 syoussefi@chromium.org Add mip-related corner-case tests
2020-06-23 syoussefi@chromium.org Update glslang_validator binary for Linux.

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/+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: cwallez@google.com
Change-Id: I6b839f91c107b340a25beb7c6161600b05245ea4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2261062Reviewed-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@{#781606}

DEPS

@@ -194,7 +194,7 @@ 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': 'b47cc50aadb661e64e9a709e33c3a638d391ffe1',
+  'angle_revision': '62a2f51304f92483c736719e31440e7f923c45ef',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.