Roll ANGLE from 078776328d3b to 9f70b6b2054f (5 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/078776328d3b..9f70b6b2054f

2020-09-21 jmadill@chromium.org Disable slow max uniform count test on D3D11/Intel.
2020-09-21 jmadill@chromium.org Rename ShaderImpl::mData to mState.
2020-09-21 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Vulkan-ValidationLayers from d6935becabad to 0a863bc36554 (1 revision)
2020-09-21 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Vulkan-Headers from f0e102e48197 to 7f9879b1b1fa (1 revision)
2020-09-21 angle-autoroll@skia-public.iam.gserviceaccount.com Roll glslang from 9eaa69c21c45 to 4dcc12d1a441 (1 revision)

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 syoussefi@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: syoussefi@google.com
Change-Id: I2063179b5616fa2fbb4dfd0e5d02f84179de1bbd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2422202Reviewed-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@{#808972}

DEPS

@@ -207,7 +207,7 @@ 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': '078776328d3b284b20eb28b882e877fe6957fc10',
+  'angle_revision': '9f70b6b2054f8b193efe63cb1d16a4e40b91934a',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.