Roll ANGLE from 8804d35c9a09 to 2cc63feff112 (2 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/8804d35c9a09..2cc63feff112

2020-07-01 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SwiftShader from b3240d0c355a to 2d6b37bbda59 (2 revisions)
2020-07-01 jophba@chromium.org Update JsonCpp usage

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 ianelliott@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: chromium:983223
Tbr: ianelliott@google.com
Change-Id: I02bc32dd7355f50e382f4de9bd88377186e369db
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2278101Reviewed-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@{#784553}

DEPS

@@ -200,7 +200,7 @@ 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': '8804d35c9a098934d1b70070f1225dc05702ea53',
+  'angle_revision': '2cc63feff1127fe65efac7ee8c88a073912fe7b8',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.