Roll src/third_party/angle 83678e516e5f..1b30886d6dd3 (2 commits)

https://chromium.googlesource.com/angle/angle.git/+log/83678e516e5f..1b30886d6dd3

git log 83678e516e5f..1b30886d6dd3 --date=short --first-parent --format='%ad %ae %s'
2020-04-14 tobine@google.com doc: Add note on Vulkan-Headers repo
2020-04-14 xinyi.he@arm.com Enable perFrameWindowSizeQuery by default on Mali

Created with:
  gclient setdep -r src/third_party/angle@1b30886d6dd3

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 timvp@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-asan;luci.chromium.try:win_optional_gpu_tests_rel;luci.chromium.try:linux-swangle-try-x64;luci.chromium.try:win-swangle-try-x86
Bug: None
Tbr: timvp@google.com
Change-Id: I470258b154854e73628d4cdf3117d4d72fd02918
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2149612Reviewed-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@{#759034}

DEPS

@@ -187,7 +187,7 @@ 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': '83678e516e5f84840ecebc48def6e7ebaeb17462',
+  'angle_revision': '1b30886d6dd339f97eb9de0e3a5df7beb864723f',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.