Roll src/third_party/angle 1898c08274eb..b0a9de95128d (6 commits)

https://chromium.googlesource.com/angle/angle.git/+log/1898c08274eb..b0a9de95128d

git log 1898c08274eb..b0a9de95128d --date=short --no-merges --format='%ad %ae %s'
2019-11-21 syoussefi@chromium.org Fix assert in angle_deqp_khr_gles* executables
2019-11-21 lehoangq@gmail.com Metal: Fix FramebufferMtl's read-after-delete
2019-11-21 jaszhix@gmail.com Fix crash during resizes when using the OpenGL renderer on Windows
2019-11-21 jonahr@google.com Manually roll Vulkan-Loader DEPS
2019-11-21 cnorthrop@google.com Update auto-roller list in wrangling doc
2019-11-21 tobine@google.com Vulkan:Remove exceptions for passing tests

Created with:
  gclient setdep -r src/third_party/angle@b0a9de95128d

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 courtneygo@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=courtneygo@google.com

Bug: chromium:1004117,chromium:1022751
Change-Id: I0672a9d33b2defdad3de727e69c413cdc8efedf0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1928060Reviewed-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@{#717753}

DEPS

@@ -184,7 +184,7 @@ 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': '1898c08274eb3cf630999799f939c345e1cef813',
+  'angle_revision': 'b0a9de95128d9a97995b59db5a0c6386c56e051e',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.