Roll src/third_party/angle 11dc16350cd4..857bb7ff07a3 (3 commits)

https://chromium.googlesource.com/angle/angle.git/+log/11dc16350cd4..857bb7ff07a3

git log 11dc16350cd4..857bb7ff07a3 --date=short --no-merges --format='%ad %ae %s'
2019-09-20 ianelliott@google.com Vulkan: Enable most dEQP-GLES31.functional.state_query* tests to run
2019-09-20 geofflang@chromium.org GL: Treat unknown AHardwareBuffer formats as RGBA8.
2019-09-20 jmadill@chromium.org Refactor built-in symbol table.

Created with:
  gclient setdep -r src/third_party/angle@857bb7ff07a3

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 geofflang@chromium.org 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/+/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_optional_gpu_tests_rel
TBR=geofflang@chromium.org

Bug: chromium:998535
Change-Id: I929d76902bf6605c17e5b65d1b3fcdbb741e5146
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1817278Reviewed-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@{#698691}

DEPS

@@ -174,7 +174,7 @@ 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': '11dc16350cd4d1990c6bcce43c73aff178a01086',
+  'angle_revision': '857bb7ff07a3e3567568eebf74d5436fef645774',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.