Roll src/third_party/angle 8784a9284f65..19f9f4148196 (1 commits)

https://chromium.googlesource.com/angle/angle.git/+log/8784a9284f65..19f9f4148196

git log 8784a9284f65..19f9f4148196 --date=short --first-parent --format='%ad %ae %s'
2019-12-02 xinyi.he@arm.com Vulkan: Textures incorrect on Android maps with Vulkan Backend

Created with:
  gclient setdep -r src/third_party/angle@19f9f4148196

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@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
Bug: None
Tbr: geofflang@google.com
Change-Id: I39706e18be0de0d34a424ffc1bba2cacd5d0196b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1946433Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#720567}

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': '8784a9284f653b9bc6fa54d75217e4f2a190376c',
+  'angle_revision': '19f9f41481964be3a22e03a443eb37535a70e598',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.