Roll src/third_party/angle 806747e03674..56d4da0510a5 (1 commits)

https://chromium.googlesource.com/angle/angle.git/+log/806747e03674..56d4da0510a5

git log 806747e03674..56d4da0510a5 --date=short --no-merges --format='%ad %ae %s'
2019-10-24 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/SwiftShader 7738ed713e7b..883e817b14bf (1 commits)

Created with:
  gclient setdep -r src/third_party/angle@56d4da0510a5

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 jonahr@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/+/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=jonahr@google.com

Bug: chromium:None
Change-Id: I520f5fd85037910d59226726c1f422b071334201
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1877456Reviewed-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@{#708990}

DEPS

@@ -183,7 +183,7 @@ 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': '806747e03674d106e78e05aaee364a4c831f2645',
+  'angle_revision': '56d4da0510a546ee70b59659d798301f2096bcc1',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.