Roll ANGLE from 9f70b6b2054f to 1b436e07b1e0 (9 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/9f70b6b2054f..1b436e07b1e0

2020-09-21 lexa.knyazev@gmail.com Metal: Implement BPTC support
2020-09-21 ynovikov@chromium.org Skip Texture2DTest.TexStorageWithPBO on Win NVIDIA GL
2020-09-21 jmadill@chromium.org Test Runner: Fix default config grouping.
2020-09-21 jmadill@chromium.org Test Runner: Add more timeout logging.
2020-09-21 lehoangq@gmail.com Metal: Fix wrong FormatID enum order used by PBO autogen shaders.
2020-09-21 jmadill@chromium.org Test Runner: Allow empty sharding parameters.
2020-09-21 jmadill@chromium.org Remove zlib from export_target exceptions.
2020-09-21 jmadill@chromium.org Give trigger.py executable bit.
2020-09-21 jmadill@chromium.org Suppress Linux GL Compute Tests on Intel.

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: chromium:1032721
Tbr: syoussefi@google.com
Change-Id: I211379151c9f5bc0f92df1956a2c02d339813b8b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2422310Reviewed-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@{#809128}

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': '9f70b6b2054f8b193efe63cb1d16a4e40b91934a',
+  'angle_revision': '1b436e07b1e0db2153ee0d3cf664924604629f6f',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.