Roll src/third_party/angle 593b1a6ca228..369f9e5df60b (2 commits)

https://chromium.googlesource.com/angle/angle.git/+log/593b1a6ca228..369f9e5df60b

git log 593b1a6ca228..369f9e5df60b --date=short --no-merges --format='%ad %ae %s'
2019-08-01 geofflang@chromium.org GL: Support Rectangle textures as sources for glCopyTextureCHROMIUM.
2019-08-01 syoussefi@chromium.org Vulkan: Enable passing ES2 multisample tests

Created with:
  gclient setdep -r src/third_party/angle@369f9e5df60b

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=geofflang@google.com

Bug: chromium:982294
Change-Id: I93c11f49d229f69a68ce873e41b01f5c25ac74b3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1730528Reviewed-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@{#683420}

DEPS

@@ -157,7 +157,7 @@ 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': '593b1a6ca228b83cebf27f0c714067a44c6c6c92',
+  'angle_revision': '369f9e5df60b349e3d7ad8693fc90ede86e609f5',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.