Roll src/third_party/angle b5560486ad22..db7a36f45698 (4 commits)

https://chromium.googlesource.com/angle/angle.git/+log/b5560486ad22..db7a36f45698

git log b5560486ad22..db7a36f45698 --date=short --no-merges --format='%ad %ae %s'
2019-09-17 zmo@chromium.org Revert "Vulkan: SwiftShader integration."
2019-09-16 jmadill@chromium.org Capture/Replay: Refactor cpp replay param writes.
2019-09-16 jmadill@chromium.org Vulkan: SwiftShader integration.
2019-09-16 zmo@chromium.org Skip a angle_end2end_tests on Linux Intel OZone.

Created with:
  gclient setdep -r src/third_party/angle@db7a36f45698

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:b/140251624,chromium:b/140251624,chromium:1003971
Change-Id: Ia3e420836a73229cc1752173a5e9c8b58d982eac
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1808587Reviewed-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@{#697072}

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': 'b5560486ad224ec6de8a54e2f2a7e638bed17fe1',
+  'angle_revision': 'db7a36f45698e5bef596c2c26f36f3b2a90b7157',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.