Roll src/third_party/angle 5d27a6961601..80b1ba63edff (2 commits)

https://chromium.googlesource.com/angle/angle.git/+log/5d27a6961601..80b1ba63edff

git log 5d27a6961601..80b1ba63edff --date=short --no-merges --format='%ad %ae %s'
2019-08-29 angle-autoroll@skia-public.iam.gserviceaccount.com Roll ./third_party/glslang/src f27bd2aa2e3f..796df2d74e05 (4 commits)
2019-08-29 angle-autoroll@skia-public.iam.gserviceaccount.com Roll ./third_party/spirv-tools/src 15fc19d0912d..73422a0a5ee1 (1 commits)

Created with:
  gclient setdep -r src/third_party/angle@80b1ba63edff

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 cwallez@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=cwallez@chromium.org

Bug: chromium:None,chromium:None
Change-Id: I61310a4ea842c4ab4b8874541ba78b55a3aacf36
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1775922Reviewed-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@{#691551}

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': '5d27a69616018803cd2b2b98cd9006f5b2cb994f',
+  'angle_revision': '80b1ba63edffe9c2fc4c373888e74cfc5c1e28dc',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.