Roll src/third_party/angle 84e7932d2737..19905aea14e0 (3 commits)

https://chromium.googlesource.com/angle/angle.git/+log/84e7932d2737..19905aea14e0


git log 84e7932d2737..19905aea14e0 --date=short --no-merges --format='%ad %ae %s'
2019-05-08 ianelliott@google.com Vulkan: Set the Vulkan scissor to the GLES viewport
2019-05-07 tobine@google.com Vulkan:Only apply invariant pragma to output vars
2019-05-07 staphany@chromium.org Add using-declaration to support Googletest roll.


Created with:
  gclient setdep -r src/third_party/angle@19905aea14e0

The AutoRoll server is located here: https://autoroll.skia.org/r/angle-chromium-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

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=jonahr@chromium.org

Change-Id: I169fefb2e8e5c4610ccb86a50ab32195f8e61720
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1600737Reviewed-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@{#657562}

DEPS

@@ -145,7 +145,7 @@ 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': '84e7932d2737b1f1729f545fcc6f77839466b8e7',
+  'angle_revision': '19905aea14e0673454cc7b99fee928999f403a2d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.