Roll src/third_party/angle c26869d540f3..fc508813b05a (1 commits)

https://chromium.googlesource.com/angle/angle.git/+log/c26869d540f3..fc508813b05a

git log c26869d540f3..fc508813b05a --date=short --no-merges --format='%ad %ae %s'
2019-09-03 angle-autoroll@skia-public.iam.gserviceaccount.com Roll ./third_party/glslang/src 92f5afdee0ab..56f61ccceffa (1 commits)

Created with:
  gclient setdep -r src/third_party/angle@fc508813b05a

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 jmadill@chromium.org,jmadill@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=jmadill@chromium.org,jmadill@google.com

Bug: chromium:None
Change-Id: I8eb3a228313e07d06f396db35ad5dc98d2287cf9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1781766Reviewed-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@{#692614}

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': 'c26869d540f3a01ab720401f69f7979b743612af',
+  'angle_revision': 'fc508813b05abce0eeea194acd28172d60111b06',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.